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Original Version
Rule 49.4-B - Table 8

Table 8: Minimum Conductor Sizes (150–Foot Spans or Less)
Loading Conditions and Grade of Construction Material or Type of Conductor
Soft or Annealed Copper Hard–Drawn or Medium Hard–Drawn Copper Stranded Aluminum Aluminum Cable Steel Reinforced Copper Covered Steel, Bronze or Composites Galvanized Iron or Galvanized Steel
AWG AWG AWG AWG AWG
Heavy Loadging
Grade "A" 4 6 1 4 6 ¼ inch Diameter Strand
Grade "B" (a)(h) 4 6 1 6 8 9 BWG
Grade "C"(h) 4 6 1 6 8 9 BWG
Light Loading
Grade "A" 4 6 1 4 8 ¼ inch Diameter Strand (b)
Grade "B" (a)(c)(h) 6 6 1 6 8 9 BWG
Grade "C" (c)(h) 6 8 1 6 10 9 BWG
Heavy and Light Loading
Supply Service Drops Crossing Trolley Wires 8 10 - - 12 -
Other Supply Service Drops 10 10 - - 12 -
Grade "F", Single Conductors (d) - (e) - - (e) 14 BWG
Grade "F", Paired Conductors (d) - 14 (f) 17(g) -
a) Communication conductors crossing over major railroads may be smaller but shall be not less than as specified in Rule 113.4.
b) Three–sixteenth–inch strand may be used upon special permission of this Commission.
c) May be smaller but shall provide tensile strength not less than #8 AWG soft copper, if less than 750 Volts, as per Rule 49.4–C2
d) Communication service drops over supply lines shall conform to Rules 32.2–F and 32.2–G.
e) #12 AWG or #14 NBS.
f) Paired wire may be smaller per Rule 49.4–C7b.
g) High strength paired wire may be smaller per Rules 49.4–C7b and 49.4–C8.
h) May be reduced per Rule 49.4–C3.

Strikeout and Underline Version
Rule 49.4-B - Table 8

Table 8: Minimum Conductor Sizes (150–Foot Spans or Less)
Loading Conditions and Grade of Construction Material or Type of Conductor
Soft or Annealed Copper Hard–Drawn or Medium Hard–Drawn Copper Stranded Aluminum Aluminum CableConductor Steel Reinforced Copper Covered Steel, Bronze or Composites Galvanized Iron or Galvanized Steel
AWG AWG AWG AWG AWG
Heavy Loadging
Grade "A" 4 6 1 4 6 ¼ inch Diameter Strand
Grade "B" (a)(h) 4 6 1 6 8 9 BWG
Grade "C"(h) 4 6 1 6 8 9 BWG
Light Loading
Grade "A" 4 6 1 4 8 ¼ inch Diameter Strand (b)
Grade "B" (a)(c)(h) 6 6 1 6 8 9 BWG
Grade "C" (c)(h) 6 8 1 6 10 9 BWG
Heavy and Light Loading
Supply Service Drops Crossing Trolley Wires 8 10 - - 12 -
Other Supply Service Drops 10 10 - - 12 -
Grade "FC", Single Conductors (d) - (e) - - (e) 14 BWG
Grade "FC", Paired Conductors (d) - 14 (f) 17(g) -
a) Communication conductors crossing over major railroads may be smaller but shall be not less than as specified in Rule 113.4.
b) Three–sixteenth–inch strand may be used upon special permission of this Commission.
c) May be smaller but shall provide tensile strength not less than #8 AWG soft copper, if less than 750 Volts, as per Rule 49.4–C2
d) Communication service drops over supply lines shall conform to Rules 32.2–F and 32.2–G.
e) #12 AWG or #14 NBS.
f) Paired wire may be smaller per Rule 49.4–C7b.
g) High strength paired wire may be smaller per Rules 49.4–C7b and 49.4–C8.
h) May be reduced per Rule 49.4–C3.

Final Version
Rule 49.4-B - Table 8

Table 8: Minimum Conductor Sizes (150–Foot Spans or Less)
Loading Conditions and Grade of Construction Material or Type of Conductor
Soft or Annealed Copper Hard–Drawn or Medium Hard–Drawn Copper Stranded Aluminum Aluminum Conductor Steel Reinforced Copper Covered Steel, Bronze or Composites Galvanized Iron or Galvanized Steel
AWG AWG AWG AWG AWG
Heavy Loadging
Grade "A" 4 6 1 4 6 ¼ inch Diameter Strand
Grade "B" (a)(h) 4 6 1 6 8 9 BWG
Grade "C"(h) 4 6 1 6 8 9 BWG
Light Loading
Grade "A" 4 6 1 4 8 ¼ inch Diameter Strand (b)
Grade "B" (a)(c)(h) 6 6 1 6 8 9 BWG
Grade "C" (c)(h) 6 8 1 6 10 9 BWG
Heavy and Light Loading
Supply Service Drops Crossing Trolley Wires 8 10 - - 12 -
Other Supply Service Drops 10 10 - - 12 -
Grade "C", Single Conductors (d) - (e) - - (e) 14 BWG
Grade "C", Paired Conductors (d) - 14 (f) 17(g) -
a) Communication conductors crossing over major railroads may be smaller but shall be not less than as specified in Rule 113.4.
b) Three–sixteenth–inch strand may be used upon special permission of this Commission.
c) May be smaller but shall provide tensile strength not less than #8 AWG soft copper, if less than 750 Volts, as per Rule 49.4–C2 Rule 49.4–C2.
d) Communication service drops over supply lines shall conform to Rules 32.2–F and 32.2–G.
e) #12 AWG or #14 NBS.
f) Paired wire may be smaller per Rule 49.4–C7b.
g) High strength paired wire may be smaller per Rules 49.4–C7b and 49.4–C8.
h) Rule 49.4–C3.