GO 95 Index

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

Abandoned Lines 31.6

Accepted Good Practice 13

Allowable Obstructions

Climbing Space 54.7–A3 , 54.9–F , 54.10–F3 , 54.11–G , 54.12–F3 , 58.3–A3 , 84.7–E , 88.1
Working Space 54.7–B2

Allowable Tension-Definition 23.7–A

Alteration or Reconstruction,

Commission May Order 12.4

Aluminum Cable, Steel Reinforced Table 23 (Appendix B )

American Wire Gage (AWG) 24.2–A

Anchor Guys (See also Guys )

Attachment, Center of Load 56.2 , 66.2 , 86.2 , Appendix F - Parts 2 and 3

Clearances (See Guy Clearances )
Definition   56.1 (See Rules 21.5 and 23.5 )
From Transformer Cases   56.4–F
Grounding or Grounded   56.6–D , 66.6 , 86.6–C , 92.4
Location of Insulators   56.7–B , 86.7–B
Marking (Guarding)   56.9 , 66.7 , 86.9
Safety Factor   44 , 44.1 , Table 4 , 49.6–C
Sectionalizing Requirements   56.6 , 86.6
Size   49.6–B , 61.3
Strength   48.4 , Table 24
Use of   47.2

Angle of Deviation   Figure 86 (Appendix G )

Angle Pole Problem   Appendix F - Part 3

Annual Weather Variations, Normal   Table 1 - Note (ddd)

Apparent Sag-Definition   23.3–B , Figure 4

Applicability of Common Neutral Rules   59.2

Applicability of Rules   11 , 12 , 13

Arching Shields   104 , 114

Arm Guy (See Guy )

Arms (See Crossarm )

Arrangement of Lines   32

Arresters, Lightning   22.0 , 33.3–A , 89.2

Attachment of Protective Covering   54.6–I , 84.6–F

Attachment of Conductors

to Bridges, Buildings, etc.   54.4–H2 , 54.4–I , 84.4–F
to Insulators   54.11–B1
to Trolley Span Wires   78.1 , 78.2

Attachment of Conductors to Surface of Poles

Cables and Messengers, Longitudinal   57.4–F , 84.4–D2 , 87.4–D2
Communication Conductors, Longitudinal   84.4–D2 , 92.1–C , 92.1–D
Communication Service Drops   84.8–B2b
Ground Wires   54.6–B , 84.6–B
Low Voltage, on Racks ( See Rack Construction )
Lateral Runs   54.6–C , 84.6–C
Risers   54.6–E , 84.6–E
Vertical Configuration   54.4–D6b
Vertical Runs   54.6–D , 84.6–D
Without Use of Wood Crossarms   54.11–B

Attachment to Poles of Span Wires, Foreign   34 , 78.3

Autotransformer   24.1

Avoidance of Conflict   31.3 , 31.4

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

B

Backbone   77 , 77.6–b

Backup Plate   54.6–E1c

Barriers   51.6–B , 61.6–A , 61.6–B

Bending, Moduli of Rupture in   48.1 , Table 5

Birmingham Wire Gage (BWG)   24.2–B

Bolts, Covered in Climbing Space   54.7–A3 , 58.1–B1

Bonds (or Bonding)

Capacitors or Regulators   58.4–C
Circuits of 7,500 or Less   53.4–B , 103.1–B , 113.1–B
Circuits of More than 7,500 Volts   53.4–A , 63.4 , 103.1–B , 113.1–B
Common   53.4–A3b
Communication Messengers and Guys   83.4
Covering of Bond Wires   53.4–A , 53.4–B , 83.4
Grounded   33.3–A , 52.4–F , 53.4–A3a , 53.4–A3b
Messengers and Cables   57.8 , 83.4 , 92.4
Phase–to–phase   63.4
Pins and Deadend Hardware   53.4 , 63.4
Separate   53.4–A3a
Separation of Bond Wires   52.4–B , 52.7–C
Transformers   58.1 , 58.2–A3
Wire Size   53.4 , 63.4

Boxes

Location and Clearance 54.4–G , 58.6 , 84.6–D , 88.1 , 92.1–F

Braces

Metal Back   52.7–E , 54.7–A3 , 84.7–B
Requirements for Use   47.2
Separation from Other Hardware and Conductors   52.7–B , 92.3

Brackets

Cable   87.5
Communication, Open Wire   84.4–Clb
Service Drop, Clearance   54.8–C2 , 84.8–D2
Strength   Table 4 (Section 4 )
Trolley   77.6–C

Bridge

Attachment to 54.4–H2 , 54.4–I , 84.4–F
Clearance of Conductors from Table 1-Cases 6 and 7 , 54.4–H , 54.4–I , 84.4–F
Definition 20.3

Bridled Runs 84.6–D

Buck Arms

Clearance, Modified   64.4–C2
Climbing Space   54.7–A3 , 84.7–B
Definition   21.0–B
Vertical Separation   Table 2-Case 14 , 54.4–C2a

Bundle Conductor-Definition 20.9-A

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Cable

Aluminum, Steel Reinforced   Table 23 (Appendix B )
Auxiliary   77.6–A5 , 78.3–C
Bonding and Grounding   57.8
Boxes (See Boxes )
Clearance from its Messenger   57.4–D
Clearances (See Conductor )
Covering In Lieu of Guard Arms   57.7 , 87.7
Definition   20.4 , 87.1
Equalizer   74.4–G3
Fastenings   Table 4 , 87.5
Guarding Above Trolley Contact Conductors   57.4–B2 , 87.4–B2
Guarding at Pole Attachments   57.4–F , 57.7 , 87.4–C3 , 87.7
Hooks, Location of   84.4–C1c , 84.8–B2b
Lateral and Vertical Runs (See Runs )
Loading (See also Loading)   49.7-B
Low Voltage, Multiconductor with Bare Neutral   54.10
Messenger (See Messenger )
Neutral Supported (“Triplex”) Service Drop   54.8–B4b
Protection   54.6–D , 54.6–E , 57.7 , 84.7–D , 84.6–E , 87.7
Risers (See Risers )
Sag   57.9 , 87.8
Terminals   54.6–F , 84.6–D , 88.1
“Triplex” (Neutral Supported Service Drop)   54.8–B4b

Capacitors, Detail of Installation 54.4

Case Clearances

Capacitors   58.1–B
Regulators   58.1–B
Switches   54.4–G , 58.6–A
Transformers   58.2–A3

Catenary Construction

Definition 20.5
Required for Grade Crossings 74.4–B2 , 74.4–F2

Change in Grade of Construction 47.4 , 49.3–C2

Circuit (or Circuits)

Definition   20.6
Different Circuits on Same Crossarm   32.4 , 89.2–A
Governmental Agency Control   92.2
Ownership Designation   32.4–A4
Relative Levels   32.2

Class C Communication Circuit-Definition   20.6–A

Class E Supply Circuit-Definition   20.6–D1

Class H Supply Circuit-Definition   20.6–D2

Class L Supply Circuit-Definition   20.6–D3

Class T Supply Circuit-Definition   20.6–E

Clearance Arm (See Crossarm )

Clearances (See Following Headings)

Conductor Clearances
Case Clearances
Ground Wires
Guy Clearances
Guy Insulators
Hardware
Lateral Conductors
Lead Wire Clearances
Messenger Clearances
Pole
Risers
Roofs
Runs
Service Drop Clearances
Sign Clearances
Span Wire Clearances
Street Lighting
Tower
Transformers

Climbing Space

Allowable Obstructions   54.7–A3 , 54.9–F , 54.10–F3 , 54.11–G , 54.12–F3 , 58.3–A3, 84.7–E , 88.1
Buck Arm Construction   54.7–A2 , 84.7–B
Combination Line Arms   54.7–A2
Communication circuits   84.7
Definition   20.7
Joint Poles   93
One Vertical Circuit at Pole Top   54.11–F
Rack Construction   54.9–F
Space Bolts, Dead End, Covered In   54.7–A3
Supply Circuits   54.7
Terminals, Communication, Allowed In   88.1
Through Bolts, Transformer, Covered In   58.1–B3
Trolley Circuits   74.7

Colinear Lines

Definition 22.1–B
Requirements 32.3 , 54.4–D3 , 56.4–C2 , 84.4–D3 , 103.5

Combination Arm

Circuits Permitted   32.4 , 54.4–C2b , 54.7–A3 , 54.8–E
Definition   21.0–A
Marking (See also Marking )   52.4–C

Common Neutral System,Requirements for   59

Common Neutral, Tagging of   59.3–F

Communication Requirements   Section VIII

Concrete, Strength of   Table 4 , 48.3

Condition, Most Stringent   14

Conditions, Limiting, Specified   14

Conditions, Two or More   14 , 42.1

Conductor (or Conductors)

Arrangement Without Wood Crossarms   54.11–B2
Attached to Surface of Pole (See Attachment )
Bundle-Definition   20.9–A
Clearances (See Conductor Clearances )
Common Neutral System   59.3
Contact (See Trolley Contact )
Covering, Weatherproof   54.8–A , 54.9–C1 , 74.4–G3 , 84.8–A , 92.2
Covering, Weather Resistant   20.9–G
Dead Ends (See Dead Ending )
Definition of Kinds   20.9
Duplex Communication   84.4–C2
Earth as   33.2
Fastenings or Tie Wires   49.3–B3 , 49.3–C1b , 49.3–C2
Fire Alarm and Police   92.2
Ground (See also Ground Wires )   33.2 , 92.4
Insulated, Suitable-Definition   20.9–G
Lateral (See Lateral Conductors )
Line-Definition   20.9–C
Loading   43 , App. B
Material   49.4–A , 54.11–C , 59.3–A , 6.3, 74.3
Neutral   33.1 , 59.2
Open wire-Definition   20.9–D
Overhead Lighting   61.3–A2 , 103.2 , 113.2
Protected   54.4–H2 , 54.4–I , 54.6–C , 54.6–D , 54.6–E , 84.6–D , 84.6–E
Safety Factor   44 , Table 4
Sag (See Sag )
Service Drop (See Service Drop )
Size   49.4–B , Table 8 , 59.3–B , 59.4–A , 74.3 , 113.4
Spacing   54.11–D
Splices (See Splices Conductor )
Strength   49.4–C , App. B
Suitable Insulation   20.9–G
Suspensions   63
Tensions (See Tension )
Triplex Communication   84.4–C2
Unprotected   20.9–E , 54.6–A , 58.1–B
Vertical (See Vertical Conductors )
Weather Resistant not Suitably Insulated   20.8–G

Conductor Clearances

Above Ground   37 -Table 1-Cases 1 to 5
Above Swimming Pools   54.4–A3 , 84.4–A5
Above Tracks of Railways   37 - Table 1-Cases 1 and 2
Above Trolley Conductors   38 -Table 2-Case 2
At Points of Failure   49.4–C4 , 74.4–F
At Same Potential   64.4–C2
Basic   37 -Table 1 , 38 -Table 2
Between Conductors   38 -Table 2-Cases 1 to 17, 20
From Bridges, Buildings, etc.   37 - Table 1-Cases 6 and 7
From Crossarms   37 -Table 1 -Case 9 , 54.4–E , 58.3–A2
From Drip Loops   54.4–C7 , Figure 33
From Grounded Metal Boxes   54.4–G , 58.1–B , 92.1–F2
From Guys and Messengers   38 -Table 2-Cases 1, 18, and 19
From Hardware (See Hardware )
From Lead Wires   54.4–C6 , Figure 33
From Poles   37 -Table 1-Cases 8 and 9
From Signs   39 , Table 2–A
From Span Wires   38 -Table 2-Cases 1, 18, and 19
From Street Lights   58.5–B3 , 58.5–E , 92.1–F5
From Transformers   54.4–G , 92.1–F
From Trees   35 , Table 1, Case 13
Height Adjacent to Crossings   101.1 , 111.2
Modification of Basic Clearances   Footnotes to Tables 1 and 2
On Insulators without Wood Crossarms   38 -Table 2-Case 20 , 54.11–B1 , 54.11–E
Reduced from Crossarms   54.4–E , 58.3–A2
Service Drop Clearances (See Service Drop Clearances )
Triangular Configuration, Between Conductors   54.4–C1c , 64.4–C1
Unprotected Vertical and Lateral   54.6A
Vertical Configuration, Between Conductors   54.4–C1a , 64.4–C1

Conductor Insulators

Flashover Voltages   55.3–C -Table 12
Material   55.1 , 65.1 , 85.1
Method of Testing   55.3–C
Safety Factors   44 , Table 4
Strength   49.5–A
Voltage Requirements   55.3 , 65.1

Conductor Suspensions   63

Conduit (See also Pipe and Protective Covering )   20.9–E , 52.7–D , 54.4–H2 , 54.4–I , 54.6–C , 54.6–D , 54.6–E , 54.6–F , 84.4–F

Conflicting Lines-Definition   22.1–A , Section X

Conflicts, Cooperation to Avoid   31.1 , 31.4

Connections, Electrical   49.4–E , 59.3–C

Constructions and Reconstruction of Lines   12.1 , 44.1

Change of Grade   47.4
End Supports in Grades A and B   47.5
Grades of   42 , 44.1 , 49.1–B

Control Circuits, Governmental Agency   92.2

Cooperation to Avoid Conflicts   31.4

Copper Covered Steel   Table 22

Copper Wire, Characteristics of   Tables 17 to 20 , Appendix B

Corrosion Resistant (See Galvanizing )

Cover

Bolt - Definition 22.8–C
Bolt - in Climbing Space 54.7–A3i , 58.1–B3

Covering (See Protective Covering )

Cradles or Screens 105 , 115

Crossarm or Arm

Braces (See Braces )
Brackets (See Brackets )
Buck Arm (See Buck Arms )
Clearance Arm, Use of   21.0–C , 32.3 , 54.4–D3 , 54.8–C2 , 84.4–D3 , 84.8–D2
Combination Arm (See Combination Arm )
Cutout, Marking of   52.4–D
Definition of Kinds   21.0
Guard Arm (See Guard Arms )
Heel   58.1–B3
Kicker (Same as Heel )
Material   49.2A , 52.5 , 54.8–C3 , 84.8–D3
Marking   52.4 , 59.3–F
Metal   52.5 , 52.4–E4
Painting (Same as Marking )
Pin and Dead End Spacing   37 - Table 1-Case 8 , 38 -Table 2-Case 15
Pole Top Extension (See Pole Top Extension )
Safety Factor   44 , Table 4
Size   49.2–B
Strength   49.2–C

Crossing Problem Appendix F - Part 1

Crossings (See Lines Crossing )

Cross Span Wires 77.2

Cutouts (See Switches )

In Working Space 54.7–B2

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

D

Dead End Assembly

Grounding of Cable   57.7 , 87.7–B
Insulators (See Conductor Insulators )
Safety Factor   44 , Table 4
Separation of Hardware   52.7–D , 92.3
Spacing   37 -Table 1-Case 8 , 38 -Table 2-Case 15 , 63.3
Strength   57.5 , 87.5

Dead End and Suspension Spacing 37 -Table 1 , 38 -Table 2 , 63.3

Dead Ending Supply Conductors

At Top of Pole   54.4–D8
Clearances (See Conductor Clearances )
Messengers (See Messenger Fastenings )
Space Bolt Covers in Climbing Space   54.7–A3
Typical Problems   Appendix F - Part 1
Vertical Configuration   54.4–C4 , 54.4–D6

Decorative Garlands   34 , 78.3 , 78.3–A2

Decorative Street Lighting   78.3–A1 , 78.3–B , 78.3–C

Definitions   Section II

Deflection, Structures Capable of   56.2 , 66.2 , 86.2

Depth of Setting Wood Poles   49.1–C

Deterioration (See Replacement )

Deviation, Angle of-Illustrated   Figure 86 , Appendix G , Appendix F - Part 3

Diagrams   Appendix G

Dimensions (See also Size under various items)

Crossarms   49.2–B , Appendix F
Poles   49.1–B , 82 , Appendix F
Protective Covering   22.8 , Figure 81 , Figure 82 (Appendix G )
Tower Members   61.3–A1
Towers   22.1–C

Disconnects (See Switches )

District, High Fire-Threat 21.2-D, 18-A, 37, 80.1-A, 80.1-B

Districts, Loading   21.2–C , 43.1 , 43.2 , 49.4–C , Appendix A

District, Rural   21.2–B

District, Urban   21.2–A

Division of Industrial Safety   39 , Table 2A, ref. (b)

Douglas Fir Molding (See Protective Covering, Suitable )

Drainage Coils   89.2

Drip Loops (See Lead Wires )

Drive Hooks   84.4–C , 84.8–B2b2

Drop Wires, Street Light   54.6–A , 58.5–B3 , 92.1–F5

Duplex Pin Construction   102.1 , 112.1

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Earth as a Conductor   33.2

Effectively Grounded-Definition   21.4–A

Elasticity, Modulus of, for Conductors   Appendix C

Element, Subordinate   12.1–C

End Supports-Grades A or B   47.5

Equalizer Cable, Trolley   74.4–G3

Equipment, Miscellaneous (See Miscellaneous Equipment )

Exceptional Cases, Relative Levels   32.2–G

Exemptions or Modifications   15

Exposed Guy (See Guy )

Experimental Installations   15.2

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

F

Factor of Safety (See Safety Factor )

Fastenings (See Fastenings under various items)

Feeder

Auxiliary   74.3 , 74.4–C , 77.6–A5
Common Neutral   59.3–B , 59.3–D
Span Wire   77.6–A4 , 77.6–A5 , 77.6–C3 , 78.1
Trolley   37 -Table 1–Col. C , 74.3 , 74.4–G3
Fence
Barrier   51.6–B , 61.6–B
Substation   61.6–B
Third Rail Enclosure   79.4

Fiber Conduit   54.8–C2 , 77.6–A6 , 84.8–D2

Fire Alarm Circuits   20.6–A , 54.8–C1 , 92.2

Fittings, Terminal Fixtures   54.6–F , 84.6–D

Decorative Lighting   34 , 78.3
Street Lighting   58.5–B , 58.5–D , 92.1–F5
Traffic Signal   58.4

Footings and Foundations 45 , 46 , 48.5

Foreign Attachments 34 , 78.3

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

G

Gains, Pole   49.1–D

Gages, Kinds   24.2

Galvanizing or Corrosion Resisting   49.2–A2 , 49.3–A , 49.6–A , 49.7–A , 49.8 , 61.3–A1

Garlands, Decorative   78.3 , 78.3–A2

Governmental Agency Control Circuits   92.2

Grades of Construction (See also Pole, Dimensions )   42 , Table 3 , 42.1 , 42.2 , 42.3 , 49.1–B

Change In 47.4 , 49.3–C2

Greater Sag Permitted 37 , Appendix F

As a Conductor   33.2
Connection, Grounded   21.3 , 33.3
Resistance   21.4 , 59.4–B2
Separation from Hardware   52.7–C
Wires and Neutrals   33.1 , 54.6–B , 61.3–A2 , 84.6–B

Grounded

Effectively   21.4–A , 33.3–A , 61.3–A2
Guys (See Guy )
Independently   33.3–B
Marking of Grounded Condition   58.3–C , 59.3–F
Metal Boxes and Equipment   54.4–G , 54.6–F , 58.6–C
Permanently   21.4–B
Securely   21.4–C

Grounding, Requirements for

Airbreak Switches   58.3–D4
Cables and Messengers   57.8 , 92.4
Capacitors   54.4–G
Common Neutral System   59
Guys (See Guy )
Hardware (See Hardware )
Metal Crossarms   52.5 , 54.4–G
Overhead Guys (See Overhead Guys )
Regulators   54.4–G
Risers   54.6–E , 84.6–E
Switch Airbreak   58.3–D4
Transformer Cases   54.4–G , 58.2–A3
Transformer Windings   58.2–A1 , 58.2–A2
Vertical Run Conduit   54.6–D , 84.6–D

Ground Wires

Clearance from Hardware   52.7–B , 52.7–C , 54.6–B , 54.6–H
Common Neutral   59.3–C , 59.4
Conductivity   54.6–B
Covering-Definition   22.8–A , 54.6–B , 84.6–B
Location   54.6–B , 84.6–B
Material   49.4–A , 61.3–A2 , 84.6–B
Mechanical Strength   54.6–B , 59.4 , 61.3–A2 , 84.6–B

Guard Arms

Definition   21.0–D
Material and Size   49.2–A , 49.2–B , 57.7
On Joint Poles   92.1–A to F1 incl.
Strength   49.2–C , 54.9–E1
Use with Cable and Messenger   57.4–F , 57.7 , 87.4–C3 , 87.7–B
Use with Grounded Equipment   54.6–F , 58.6–B
Use with Low Voltage Racks   54.9–E1 , 54.9–E2

Guarding

Latticed Steel Poles   51.6–B
Messengers (See Messenger, Guarding )
Third Rail   79.2 , 79.3
Towers   61.6–B

Guy (or Guys)

Anchor (See Anchor Guy )
Arm   56.7–A , Figure 56–7
Attached to Grounded Structures   66.6
Attachment, Center of Load   56.2 , 66.2 , 86.2
Branched or Bridle   56.7–A , Figure 56–7
Bonding   83.4 , 92.4
Definition of   21.5
Exposed-Definition   21.5–C , 86
Fastenings, Hooks, Shims and Thimbles   56.5 , 66.5 , 86.5
Grounding or Grounded   56.6–D , 56.6–E , 66.6 , 86.6 , 92.4
Guarding where Clearance Reduced to Messengers   56.4–C4 , 86.4–C4
In Climbing Space   52.7–D , 54.7–A3 , 84.7–E
In Proximity-Definition   21.5–D , 56.6 , 86.6 , Figures 56–2 to 56–10
Lead of Guy, Illustrated   Figure 86 (Appendix G )
Location of Sectionalizing Insulators   56.7 , 86.7
Markers (Guards)   56.9 , 66.7 , 86.9
Material   49.6–A
On Poles Set Shallow   49.1–C
Overhead (See Overhead Guys )
Protection of, above Trolley Contact Conductors   56.4–B2 , 86.4–B2
Safety Factor   44 , Table 4
Sectionalizing Requirements   56.6 , 66.6 , 86.6
Sidewalk   56.7–B , 86.7–B , Figure 51
Size   49.6–B , 61.3–A3
Span   21.5–A
Strength   49.6–C , Table 9 ; 61.3–A2 , Table 24
Taut   56.2 , 66.2 , 86.2
Truss   56.7–C , 86.7–C , Figure 56–10
Use of   47.2 , 56.2 , 66.2 , 86.2

Guy Clearances

Above Ground and Tracks of Railroads   37 - Table 1–Col. A
Above Swimming Pools   56.4–A3 , 86.4–A3
From Buildings, etc.   37 - Table 1
From Conductors, Guys and Span Wires   38 -Table 2–Col. A
From Insulators   56.4–D3 , 86.4–D3
From Poles   56.4–E , 86.4–E
From Transformer Cases   56.4–F
High Voltage, Not Decreased   66.4

Guy Insulators

Clearance from Guys   56.4–D3 , 86.4–D3
Flashover Voltages   56.8–C -Table 13 , 86.8–C -Table 16
Location of Sectionalizing   56.7 , 77.6 , 86.7
Material   56.8–A , 86.8–A
Method of Testing   56.8–C , 86.8–C
Strength   49.5–B
Safety Factors   44 , Table 4
Voltage Requirement   56.8–C , 86.8–C

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

H

Hanger Arms (See Crossarms )

Hardware

Bonding   53.4
Clearances from Conductors   52.7–C , 54.6–B , 58.3–A2 , 92.3
Clearances from Ground Wires (See Ground Wires )
Construction Without Wood Crossarms   54.11–B1
Grounding   52.5, 52.7–B , 52.7–F , 91.4
Insulating Material Provide Clearance   54.6–H
Material   49.2–A2 , 49.3–A , 49.8 , 61.3–A
Safety Factor   44 , Table 4
Separation from Other Hardware   52.7–D , 53.4–A2 , 53.4–B , 54.6–H , 58.1–B3 , 91.4 , 92.3
Strength   57.5 , 77.5 , 87.5

Hardwood Molding (See Protective Covering, Suitable )

Head Guys (See Overhead Guys )

Heavy Loading   43.1

Heel Arms (See also Crossarms )   58.1–B3

Height of Guy   Figure 86 (Appendix G )

High Fire-Threat District 18-A, 21.2-D, 37, 80.1-A, 80.1-B

High Voltage Signs (See Marking )

Hooks, Guy 86.5

Hooks, Location of (See Cable Hooks )

Horizontal Insulator-Definition 54.11–A

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

I

Ice Loading   43.1–B

Incidental Pole Wiring   38 -Table 2-Cases 16 and 17

Indicating Switches   58.3–B

Induced Voltage, Protection Against   89.2 , 92.4–B

Inductive Interference   90

Inductive Parallels-Avoidance of Conflict   31.3 , 31.4

Insulated-Definition   21.6

Insulators without the Use of Wood Crossarms

Attachment   54.11–B2
Clearances   54.11–B1 , 54.11–E
Climbing Space   54.11–F
Conductor Arrangement   54.11–B2
Conductor Spacing   38 -Table 2-Case 20 , 54.11–D
Hardware   54.11–B1
Horizontal Position-Definition   54.11–A
Triangular Configuration   54.11–B2
Vertical Clearance Between Levels   38 -Table 2 , 54.11–E
Vertical Position-Definition   54.11–A

Illustrative Diagrams Appendix G

Inspection

of Lines 31.2
of Third Rail 79.6

Insulation, Suitable 20.9–G

Insulators (See also Conductor Insulators and Guy Insulators )

Service Drop with Bare Neutral   49.4–C7a , 54.8–A
Span Wire and Backbone   77.6
Street Lighting, Lowering Ropes In   58.5–D
Strength of   46 , 49.5
Suspension   63
Trolley Suspension   77.6–A3 , 77.6–C1

Intent to Construct, Notice of   31.4

Intermediate Loading District (See Modified Loading District )

Isolated-Definition   21.7

Isolating of Exposed Guys   92.4–A , 92.4–B

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

J

Joint Use of Poles

Consideration by All Interested Parties   31.5 , 91.1
Construction Requirement   Section IX
Definition   21.8
Not Allowed on Non–climbable
Partial Underground   31.5 , 91.1

Jumpers (See Lead Wires )

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

K

Kicker Arm (Same as Heel Arm )

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

L

Lateral Conductors

Clearances from Poles and Crossarms   37 - Table 1-Cases 8 and 9 , 54.4–E , 54.6–C , 84.6–C
Definition   20.9–B
Insulation   54.6–C , 54.8–C2 , 84.6–C , 84.8–D2
Protective Covering   54.6–C , 84.6–C , 87.7–A
Runs of (See Runs )
Unprotected   54.6–A

Latticed Steel Poles

Guarding   51.6–B
Marking   51.6–A , 52.4–B
Safety Factor   44 , Table 4
Stepping   51.7
Strength   45 , 46 , 48.2

Lead of Guy-Illustrated Figure 86 (Appendix G )

Lead Wire Clearances

Above Ground   37 -Table 1-Cases 1 to 5 , 58.1–B1
From Cases   58.1 , Table 58–2
From Hardware (See Hardware )
From Other Conductors   38 -Table 2-Cases 16 and 17 , 54.4–C6 , 58.5
From Poles and Crossarms   37 - Table 1-Cases 8 and 9

Lead Wires

Definition   21.9
In Working Space   54.7–B2 , 58.1–C , 58.5–C , 58.3
Levels   32.3 , 92.2

Lift Span

Definition 22.1–A
Trolley Construction 77.6–C2 , 77.6–C3

Lighting (See Street Lighting )

Lightning Arresters-Definition   22.0

Lightning Protection Wires   61.3–A2 , 103.2 , 113.2

Limiting Conditions Specified   14

Line (or Lines)

Abandoned   31.6
Arrangement of   32
Clearances (See Conductor Clearances )
Colinear   22.1–B , 32.3
Conductor-Definition   20.9–C
Conflicts   22.1–A , 31.3 , 31.4 , Section X
Construction of    12.1 , 31.1
Cutouts (See Switches )
Definition   22.1
Design   31.1
Grades of Construction   42
Inspection of   31.2
Maintenance of   12.2 , 31.1
Reconstruction of   12.1
Switches (See Switches )

Lines Crossing

Highways   37 -Table 1-Cases 3 and 4 , 49.4–C4
Other lines   38 -Table 2 , 42.2 , 42.3 , Section X , Appendix F
Railroads   37 -Table 1-Cases 1 and 2 , Section XI
Typical Problems   Appendix F

Loading Districts 21.2–C , 43 , 43.1 , 43.2 , 49.4–C , Appendix A

Loads

Balanced   49.2–C1 , 49.3–C1
Unbalanced   47.3 , 49.2–C2 , 49.3–C2
Wind   43.1–A , 43.2–A , 49.1–C

Longitudinal Strength 47

Low Voltage Racks (See Rack Construction )

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

M

Maintenance

Definition 22.2
of Lines 11 , 12.2 , 31.1 , 31.2 , 35 , 44

Major Railways 22.9–B

Marking

Common Neutral, Designation   59.3–F
Guy Marker   56.9 , 66.7 , 86.9
Latticed Steel Poles   51.6–A
Less Than 750 Volts   52.4–C
Ownership, More Than 750 Volts   32.4–A4
Third Rail   79.1, 79.3, 79.4
Towers and Structures   61.6–A

Marking, High Voltage

Methods   51.6–A , 61.6–A
Requirements for Crossarms   51.6–A , 54.4–I
Requirements for Poles   51.6–A
Requirements for Towers and Structures   61.6–A

Material, Strength of (See Strength of Material )

Material, Tower Members   61.3–A1

Maximum Allowable Tension-Definition   23.7–A

Maximum Limiting Conditions   14

Maximum Working Tension-Definition   23.7–B

Clearances (See Messenger Clearances )
Bonding   83.4 , 92.4
Definition   23.7
Fastenings, Hooks, Shims and Thimbles   57.5 , 77.5 , 87.5
Grounding   92.4

Messenger (or Messengers) (See also Span Wires )

Guarding Above Trolley Contact Conductors   57.4–B2 , 87.4–B2
Guarding Where Attached to Poles   57.4–F , 57.7 , 87.4–C3 , 87.7
Guarding Where Clearance Reduced to Guys   56.4–C4 , 86.4–C4
Material   49.7–A
Requirements for Use   57.2 , 87.2 , 89.4 , 103.4 , 113.4
Safety Factor   44 , Table 4
Sectionalizing of   57.6 , 77.6 , 87.6
Strength   49.7–B , Table 24 (Appendix B )
Supports   49.7–C

Messenger Clearances

Above Ground and Tracks of Railways   37 - Table 1–Col. A
Between Cables and Messengers   38 -Table 2–Col. A and C
Between Messengers   38 -Table 2–Col. A and C
From Buildings   37 -Table 1–Col. A
From Cables Supported   57.4–D
From Guys or Span Wires   38 -Table 2–Col. A and C
From Poles   57.4–F , 87.4–D

Messenger Insulators (See Guy Insulators )

Metal Crossarm   49.2–A2 , 52.4–E4, 52.5

Metal Back Braces   52.7–E , 82.4–B

Metal Boxes (See Boxes )

Metal Poles   52.4–E3

Meters, Located on Pole   58.6

Meter Pole (See Service and Meter Pole )

Minimum Limiting Conditions   14

Minor Railway-Definition   22.9–A

Miscellaneous Equipment    52.4–D , 58 , 88

(See also Following headings)

Cable Terminals
Capacitors
Disconnects
Line Switches
Metal Boxes
Meters
Street Lighting
Time Switches
Traffic Signals
Transformers
Voltage Regulators

Modifications or Exemptions   15

Modified Loading District   43

Modulus of Elasticity for Conductors   Appendix C

Modulus of Rupture of Wood   48.1 , Table 5

Most Stringent Condition   14

Moulding (See Protective Covering )

Multiconductor Bare Neutral Construction   54.10

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

N

Neutral, Common (See Common Neutral )

Neutral Conductors

Classification of   33.1
Grounding of   33.2 , 33.3 , 59.4–B
Interconnection of   33.3–B , 59.2

Neutral Grid System   59.4–B

New British Standard Wire Gage (NBS)   24.2–C

Non–Walkable-Definition   22.4

Normal Annual Weather Variations   Table 1 - Note (ddd)

Normal Conditions   35

Normal Sag   23.3–A

Notice of Intention to Construct   31.4

Notification   15.3

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

O

Obstructions, Allowable

In Climbing Space 54.7–A3 , 54.9–F , 54.10–F3 , 54.11–G , 54.12–F3 , 58.3–A3 , 84.8–E
In Working Space 54.7–B2

Open Wire-Definition   20.9–D

Overbuilds   22.1–B ; Figs. 2 and 3 (Appendix G )

Overhead Ground Wire   61.3–A2 , 103.2 , 113.2

Definition   21.5–A
Fastenings, Hooks and Shims   56.5 , 66.5 , 86.5
From Transformer Cases   56.4–F
Grounding   56.6–D , 56.6–E , 66.6 , 86.6–C , 86.6–D , 92.4
In Climbing Space   52.8–D , 54.7–A3 , 84.7–E
Location of Sectionalizing Insulators   56.7 , 86.7
Material   49.6–A , 66.3
Protection above Trolley Contact Conductors   56.4–B2 , 86.4–B2
Sectionalizing Requirements   56.6 , 86.6
Size   49.6–B , 61.3–A3a
Strength   48.4 , 49.6–C , 66.3 , Table 24 (Appendix B )
Use of    47.2 , 56.2 , 66.2 , 86.2
Overhead Line Structures-Definition   22.1–D

Overhead Guys 21.5-A

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

P

Painting (Same as Marking )

Partial Underground Distribution

Climbing and Working Space   54.7
Conductor Clearances   54.4–C4c , 54.4–D2 , 54.4–D6c , Figure 54–2, Figure 54–3
Definition   22.5
Joint Use of Poles   31.5 , 91.1
Terminals of Risers   54.6–F
Transformers   58.2–A3
Voltage Requirements   55.3–D

Permanently Grounded-Definition 21.4–B

Permitted Sag Appendix C , Appendix F

Pins

Bonding   53.4
Duplex   102.1 , 112,1
Grounded at Crossing   104
Grounding (See hardware Grounding )
Material   49.3–A
Safety Factor   44 , Table 4
Separation from Hardware   52.7–D
Size   49.3–B1 , 49.3–B2
Spaces, Vacant   54.4–C2b
Spacing   37 -Table 1-Case 8 , 38 -Table 2-Case 15
Strength   49.3–C
Uplift On   101.1 , 111.2

Pipe (See also Conduit and Protective Covering )

Plastic (See Plastic Pipe )

Plastic Moulding

Use and Attachment   54.6–D , 54.6–I , 84.6–F , Figure 82 (Appendix G )
U–Shaped-Definition   22.8–B
U–Shaped, Ground Wire-Definition   22.8–A

Plastic Pipe (See also Conduit and Protective Covering )

Definition 22.8–B

Pole

Acting as Strut   49.1–A , 56.2 , 66.2 , 86.2
Angle Problem   Appendix F
Clearances from Railroad Tracks   36 , Appendix E
Clearances of Conductors from (See Conductor Clearances )
Concrete   44 , Table 4 , 48.3
Deadend Problem   Appendix F
Definition   22.6
Depth of Setting   49.1–C , Table 6
Dimensions, Minimum Top   49.1–B
Gains   49.1–D
Inspection   31.2
Maintenance   11 , 12.2 , 31.1 , 35 , 44
Marking (See Marking )
Metal   52.4–E3
Metallic Service and Meter   48.6
Nonclimbable-Definition   22.6–D
Replacement or Reinforcement Requirements   44.2
Safety Factor   44 , Table 4
Service and Meter-Definition   22.6–E
Setting Depths   49.1–C , Table 6
Spliced Poles   22.6–B , 49.1 , 101.2 , 111.3
Steel (See Latticed Steel Poles )
Steel, Tubular   44 , Table 4
Steps (See Stepping )
Strength   48.1 , Table 5 , 49.1–A
Stub Reinforced-Definition   22.6–C

Poles, Jointly Used ( See Joint Use of Poles )

Pole Top Extension

Definition   22.6–A
Strength   49.1
Supporting Service Drops   54.8–C3 , 84.8–D3 , Figure 41 (Appendix G )
Transformers on, Prohibited   58.1–A2

Police and Fire Alarm Circuits   20.6–A , 54.8–C1 , 84.8–D1 , 92.2

Pool, Swimming-Definition   23.6

Pothead   20.9–H , 54.6–F

Practicable   22.7 , 35 , 54.4–C1a , 54.4-C1b , 54.4–C6 , 54.4–G , 54.8–B , Table 10, 56.2 , 56.4–D3 , 56.7–A , 56.7–B , 66.2 , 84.8–C5 , 86.2 , 86.4–D3 , 86.7–B

Practice, Accepted Good   13

Private Communication Circuits

Attachment to Trolley Span Wires   78.2
Construction Details   89.2
Definition   20.6–B
On Same Arm as Supply Circuits   32.4–C , 89.2

Private Thoroughfare-Definition 24.0–B

Problems, Typical Appendix F

Protection

Against Induced Voltages   90 , 92.4
Anchor Guys   56.9 , 66.7 , 86.9
Cables (See Cable )
Ground Wires   22.8–A , 54.6–B , 84.6–B , Figures 81 - 82 (Appendix G )
Messengers (See Messengers, Guarding )
Third Rail   79.2 , 79.3

Protective Covering, Suitable

Attachment to Pole   54.6–I , 84.6–F , Figure 81 (Appendix G )
Definition   22.8
Douglas Fir, 1/2–in. Ground Wire Molding   22.8–A1 , Figure 81 (Appendix G )
Hardwood Ground Wire Molding   22.8–A1 , Figure 81 (Appendix G )
Requirements for Use   53.4 , 54.6–C , 54.6–D , 54.6–E , 54.8–C2 , 83.4 , 84.6–C , 84.6–D , 84.6–E , 84.8–D2
Rigid U–Shaped Plastic Molding (See Plastic Molding )

Proximity (See Guys , In Proximity )

Public Thoroughfare

Definition 24.0–A

Pull–offs 77.6–B

Puncture Voltage 55.3 , 56.8–C , 86.8–C

Purpose of Rules 11

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

R

Rack Conductor Clearances

Between Conductor Levels   54.9–E
From Poles   54.9–B1
On Joint Poles   92.1–A , 92.1–B

Rack Construction, Low Voltage

Climbing Space   54.9–F
Conductor Arrangement   54.9–B2
Conductor Material   54.9–C
Conductor Spacing and Span Length   54.9–D

Radial Separation

Between Guys and Conductors   38 -Table 2-Cases 18, 19
Of Conductors, Same Support   38 -Table 2-Cases 16, 17
Of Conductors, Where Colinear or
Approaching Crossings   38 -Table 2-Cases 1 – 7

Railways

Conductor Clearances Above (See Conductor Clearances )
Crossing of   Section XI , Appendix F
Definitions, Major, Minor, Street   22.9
Pole Clearances from   36 , Appendix E

Reconstruction

Definition   23.0
Notification of   31.4
Of Lines   12.1
Or Alteration, Commission May Order   12.4
Safety Factors for   44.1

Regulators, Voltage   58.1

Reinforcement Safety Factor   44.2

Related Buck Arm (See also Buck Arm )   21.0–B

Relative Levels   32.2 , 92.2

Replacement

Circumference of Grade “F” Poles Tables 25 and 27 (Appendix D )
Safety Factors 44.2

Resistance of Grounds 21.4–A1 , 59.4–B2

Risers

Clearances   54.6–E , 54.6–H , 87.7–D
Covering   54.6–E , 54.6–I , 84.6–F , 87.7–D
Definition   23.1
Terminals   23.8 , 54.6–F , 54.7–A3

Roofs (See Clearances from Buildings Under Various Items)

Rules

Applicability of   11 , 12 , 31
Exemptions from or Modification to   15
Limiting Conditions   14
Purpose of   11
Saving Clause   16
Scope of   13

Runs

Bridled   84.6–D
Clearances   54.6–H
Covering   22.8 , 54.6–I , 84.6–F
Definition   23.2
Lateral   54.6–C , 84.6–C
Terminals   54.6–F
Vertical   54.4–D9 , 54.6–D , 84.6–D , 92.3

Rural District-Definition 21.2–B

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

S

Safety Factor

For Various Grades of Construction   44 , Table 4
General   44
Installation and Reconstruction   44.1
Replacement or Reinforcement   44.2

Sag

Additional Allowance for Temperature   37
Charts of Sag for Copper Conductors   Charts 1 to 9 inclusive (Appendix C )
Communication Conductors, Suggested   Table 24 (Appendix C )
Definition of Apparent and Normal   23.3 , Figs. 4 and 5 (Appendix G )
For Cables and Messenger   57.9 , 87.8
For Conductors   54.5 , 74.5 , 84.5 , Appendices C and F
Permitted, Greater   Appendix F

Sags and Tensions   Appendix F

Saving Clause   16

Scope of Rules   13

Screens or Cradles   105 , 115

Securely Grounded-Definition   21.4–C

Service and Meter Pole

Definition 22.6–E
Metallic 48.7

Service Drop Clearances

Above Ground   37 -Table1–Col. B
Above Private Property   54.8–B2
Above Swimming Pools   54.8–B5 , 84.8–C5
From Buildings   37 -Table 1-Cases 6 and 7 , 54.8–B4 , Table 10 , 84.8–C4
From Cables and Messengers   54.8–C1 , Figure 42
From Guys   38 -Table 2-Cases 18 and 19
From Line Conductors   38 -Table 2–Col. C and E , 54.8–C , 84.4–D1
From Poles   38 -Table 1-Cases 8 and 9 , 32.3 , 54.4–D , 54.8–D , 84.4–D4 , 84.8–E
From Other Service Drops   54.8–C4 , 84.8–D4
From Supply Conductors on
Combination Arms   54.8–E
On Clearance Arms   54.8–C2 , 84.8–D2
On Pole Top Extensions   54.8–C3 , 84.8–D3 , Figure 41 (Appendix G )

Service Drops

Attachment with Bare Neutral   49.4–C7a , 54.8–A
Covering, Weather–resistant   49.4–C7a , 54.8–A , 84.8–A
Definition   23.4
Material and Size   49.4–B , Table 8 , 49.4–C7 , 54.8–A , 84.8–A
Multiple Conductor, Supply   49.4–C7a , 54.8–A
Relative Levels   32.2–E , 32.2–F

Setting of Poles, Depth of   49.1–C , Table 6

Shims (See Guy or Messenger Fastenings)

Sidewalk Anchor   56.7–B , 86.7–B

Sign Clearances   39 , Table 2–A

Sign Marking Common Neutral   59.3–F

Sign, Warning   54.4–I , 79.4

Signal Circuits, Railway   20.6–C

Signals, Traffic   58.4 , Figure 58–4

Size of Poles, Minimum   49.1–B

Space

Climbing (See Climbing Space )
Working (See Working Space )

Space Bolts, Dead End, Covering   54.7–A3

Spacing, Pin   38 -Table 2-Case 15

Spacing, Dead End and Suspension   37 -Tables 1 and 2 , 63.3

Span Guy   21.5–A

Span Wire Clearances

Above Ground   37 -Table 1 –Columns A and C
Above Railways   37 -Table 1 -Cases 1 and 2
From Conductors   38 -Table 2-Cases 1 to 7, 19
From Guys and Span Wires   38 -Table 2-Cases 1 and 18
From Poles and Structures   37 -Table 1 -Cases 8 and 9
Under Bridges   77.4–B

Span Wires

Attachment to   78.2 , 78.3–A , 78.3–C
Definition   23.5
Fastenings   77.5
Lift Span - Definition   23.5–A
Location of Insulators   56.7 , 77.6
Span Wire Clearances continued
Material and Strength   49.7 , Table 24 (Appendix B )
Protection above Trolley Contact
Conductors   56.4–B2 , 86.4–B2
Sectionalizing Requirements   56.6 , 77.6

Spans

Crossing, Length of   103.3 , 113.3
Crossing Problem   Appendix F - Part 1
Normal   103.3 , 113.3
Strength of Conductors in   49.4–C

Spliced Poles

Definition                                       22.6–B
Use in Line Crossing, Conflicts         101.2
Use in Railway Crossing               111.3

Splices, Conductor

Location of 103.1–A , 113.1–A
Strength of 49.4–C6

Spreader Brackets   54.12–D2

Steel Poles (See Latticed Steel Poles )

Steel, Poles, Tubular   44 , Table 4

Steel, Structural   48.2

Steel Wire, Characteristics of   Table 21 (Appendix B )

Steel Wire, Copper Covered   Table 22 (Appendix B )

Stepping

Poles 51.7 , 81.6 , 84.7–E , 91.3
Towers 61.7

Strain Insulators (See Insulators )

Street Lighting

Circuit Voltage   58.5–A
Classification of Supply Circuits   20.6–D
Clearance from Metal Boxes   58.5–B3a , 92.1–F5
Clearances   58.5–B , 92.1–F5
Decorative (See Decorative Street Lighting )
Drop Wires   54.6–A , 58.5–B3a , 92.1–F5
Exceptions   58.5–F
Requirements   58.5

Street Railway-Definition 22.9–C

Strength of Materials, Ultimate

Concrete, Prestressed   48.3–B
Concrete, Reinforced   48.3–A
Conductors   48.5 , Tables 17 to 23 (Appendix B )
Steel Strand   48.5 , Table 24 (Appendix B )
Structural Steel   48.2
Tower or Pole Foundations   48.6
Wood   48.1 , Table 5

Strength Requirements

All Lines   Section IV
Detailed   49
Longitudinal Loads   47
Transverse Loads   45 , 45.1
Tower or Pole Foundations   48.6
Ultimate   48
Vertical Loads   46

Stringent Condition, Most   14

Structural Material Other Than Wood   48.2

Structural Steel   48.2

Strut, Pole Acting As   49.1–A , 45.2, 66.2 , 86.2

Stub–Reinforced Pole   22.6–C , 101.2 , 111.3

Substation   61.6–B

Supply Circuits

Clearances (See Conductor Clearances )
Construction Requirements   12.1 , 31.1 , 40 , 50 , 60 , 70 , 80 , 90 , 100 , 110
Definition of Classes   20.6–D
Relative Levels   32.2 , 92.2

Suspension Insulators (See also Insulators ) 63

Swimming Pool-Definition 23.6

Switches, Cutouts, Disconnects

Capacitor   58.1
Grounding of   52.7
Indicating Position   58.3–B
Lead Wires   58.1 , 58.3
Line   58.3
Operating Mechanism   58.3
Regulator   58.1
Street Lighting   58.4
Time   58.6
Transformer   58.1 , 58.2

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

T

Tables, List of

Tag, Common Neutral   59.3–F

Taps, Wire (See Lead Wires )

Telephone Instruments on Poles or Structures   89.3

Temperature   43 , 43.1–C , 43.2–C

Tension

Maximum Allowable-Definition   23.7–A
Maximum Working-Definition   23.7–B
Tensions and Sags   Appendix F

Terminal-Definition 23.8

In Working Space 54.7–B2

Terminals (See Riser Terminals and Cable Terminals )

Tests (See Insulator Tests)

Thermal Expansion, for Conductors   Appendix C

Third Rail, Requirements for   79

Thoroughfare-Definition   24.0

Through Bolts, Transformer Covering   58.1–B3

Tie Wires   49.3–A2 , 49.3–B3 , Table 7 , 49.3–Clb , 49.3–C2

Time Switches (See Switches )

Tower

Clearances from Railroad Tracks   36 , Appendix E
Crossings   60
Lines-Definition   22.1-C
Materials   61.3–A1
Marking   61.6–A
Safety Factor   44 , Table 4
Stepping   61.7
Strength   48.2
V–type   22.1-C
Y–type   22.1-C

Traffic Signals 58.4 , Figure 58–4

Transformers

Autotransformers   24.1
Case Clearances   58.1–B
Case Grounding or Bonding   58.2–A3
Cutouts and Disconnects   58.3
Grounding of Windings   58.2–A
Insulating   89.2
Lead and Bus Wire, Clearances Above Grounds   58.1–B , Table 58–1
Platforms   58.1–B , Table 58–1
Position on Pole   58.1–A1 , 58.2–A3
Through Bolt Covers in Climbing Space   58.1–B3

Transposition, Points of   38

Transposition Wires   21.9

Transverse Strength Requirements   45

Tree Trimming   35 , Appendix E

Triangular Configuration of Conductors On Pole Mounted Insulators 53.4–A1 , 54.4–C1c , 54.4–D8a , 54.11–B2

Trolley

Attachments to Poles   78.3–B , 78.3–C
Attachments to Span Wires   77.5 , 78.2 , 78.3–A
Backbones   77 , 77.6–B
Brackets or Bracket Arms   77.6–C
Contact Conductor, Material and Strength   74.3
Contact Conductor Clearances   74.4
Details of Construction   70
Equalizer Cables   74.4–G3
Feeders   74.4–G3 , 77.6–A4 , 77.6–A5 , 77.6–C3 , 78.1
Lift Spans   77.6–C2 , 77.6–C3
Messengers   77 , 77.6–D
Pull–Offs   77.6–B
Span Wires   77.6–A

Truss Guys   21.5–B , 56.7–C , 86.7–C , Figure 51 , (Appendix G )

Tubular Steel Pole, Safety Factor of   44 , Table 4

Two or More Conditions   42.1

Two or More Systems, Arrangements   32.1

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

U

U–Shaped Plastic Moulding (See Plastic Moulding )

Ultimate Strength of Materials   48 , Appendix F

Underground Distribution Partial (See Partial Underground )

Unprotected Conductors-Definition   20.9–E

Uplift on Foundations   48.6

Uplift on Pin   101.1 , 111.2

Urban District-Definition   21.2–A

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

V

V–Type Support Structures   22.1–C

Vacant Pin Spaces   54.4–C2b , 54.8–E2b

Vertical Conductors-Definitions   20.9–F

Risers (See Risers )
Runs (See Runs)
Unprotected 54.4–D9 , 54.6–A

Vertical Configuration 54.4–C1c , 54.4–C4 , 54.4–D6 , 54.7–A1 , 54.9

On Pole Mounted Insulators 54.11–E , 54.11–F

Vertical Mount Insulators-Definition   54.11–A

Vertical Strength Requirements   46

Voltage or Volts-Definition   24.1

Voltage-Communication Conductors   20.6–A , 20.6–C

Voltage Classification-Supply Circuits   20.6-D , 20.6–E

Voltage Regulators   58.1

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

W

Wall, Barrier 51.6–B2 , 61.6–B2

Warning Signs

Bridges, Viaducts 54.4–I
High Voltage (See Marking , High Voltage )
For Latticed Steel Poles (See Marking )
Third Rail 79.4

Weatherproof Copper Wire, Characteristics and Loading Tables 19 and 20 (Appendix B )

Weatherproofing or Weather–resistant Covering

Not Suitable for Insulation   20.9–G
Police and Fire Alarm Conductors   92.2
Rack Conductors   54.9–C
Service Drops   54.8–A , 84.8–A

Weather Records   43

Weather Variations, Normal Annual   Table 1 - Note (ddd)

Wind Loading   43.1–A , 43.2–A , 49.1–C

Wire

Aluminum, Steel Reinforced   Table 23 (Appendix B )
Copper   Tables 17 to 20 incl. (Appendix B )
Copper Covered Steel   Table 22 (Appendix B )
Corrosion–resisting   49.4–A
Gages-Wire   24.2
Ground (See Ground Wires )
Iron and Steel   Table 21 (Appendix B )
Lightning Protection   61.3–A2
Lead (See Lead Wires )
Overhead Ground   61.3–A2
Sags (See Sag )
Tension (See Tension )
Tie (See Tie Wires )
Transposition   21.9

Wood

Block Protection   54.6–F5
Molding   22.8 , Figure 81 (Appendix G )
Poles, Requirement for Treatment   49.1–B
Strength   48.l , Table 5

Working Space

Allowable Obstructions in   54.4–D6b , 54.7–B2 , 58.1–B1 , 58.3
Definition   24.3
Dimensions   54.7–B1

Working Tension (See Tension )

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Y

Y–Type Support Structures 22.1–C

Yield Point of Steel 48.2

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z