Original Version

Rule 22.2

22.2    Protective Covering, Suitable, means a covering of wood, or other material as authorized by the Public Utilities Commission, having the electrical insulating efficiency and mechanical strength of 1 ˝ inches of redwood. Materials meeting the requirements of this definition, when installed in a workmanlike manner include:

A.    Impregnated Fiber Conduit, having a wall thickness of not less than one quarter of an inch, installed over rigid metal conduit as illustrated in Figure 83 of Appendix G.

B.    Hardwood Moulding (oak or rock elm) three eights of an inch in thickness, or having a cross-section as shown in Figure 81 of Appendix G, when used as a covering for ground wires and communication conductors.

Douglas Fir moulding ˝-inch in thickness shall be considered as meeting the requirements of this rule for suitable protection of ground and bond wires.

C.    Plastic Pipe made of rigid unplasticized polyvinyl chloride having the properties and dimensions specified as EPC-40-PVC and EPC-80-PVC in NEMA Standards. The plastic pipe herein specified shall be installed only outside the climbing space on poles or structures unless installed in accordance with Rule 54.6-C2.

D.   Rigid U-shaped Moulding made of unplasticized polyvinyl chloride having the properties and physical characteristics specific for plastic pipe (Rule 22.2-C).  The plastic moulding herein specified shall be installed only outside the climbing space on poles or structures.

E.    Rigid U-shaped Ground Wire Moulding made of polyvinyl chloride having the properties specified as Class 14333-D in ASTM Standard D1784-69. The plastic moulding herein specified shall be installed only outside the climbing space on the surface of wood poles or structures and shall have dimensions as shown in Figure 82 of Appendix G, and shall effectively contain and entrap the ground wire. Moulding shall be marked with wire size (e.g., AWG 6) at intervals of not more than four feet.

F.    Bolt Covers made of non-conducting shield or covering shield or covering having the insulating efficiency and mechanical strength of impregnated fiber not less than 5/16 of an inch thick.

Strikeout and Underline Version

Rule 22.2

22.2    Protective Covering, Suitable, means a covering of wood, or other material as authorized by the Public Utilities Commission, having the electrical insulating efficiency (12 kV/in. dry) and mechanical impact strength (20 ft-lbs) of 1˝.5 inches of redwood, or other material meeting the requirements of Rule 22.2-A, 22.2-B, 22.2-C or 22.2-D. Materials meeting the requirements of this definition, when installed in a workmanlike manner include:

A.    Impregnated Fiber Conduit, having a wall thickness of not less than one quarter of an inch, installed over rigid metal conduit as illustrated in Figure 83 of Appendix G.

BA.    Ground Wire, Bond Wire, And Communication Conductor shall be covered by a minimum of:

(1)    Hardwood Moulding of (oak or rock elm) three-eights of an inch in thickness, or Douglas Fir moulding one-half of an inch in thickness or any of these woods having a cross-section as shown in Figure 81 of Appendix G, when used as a covering for ground wires and communication conductors.

Douglas Fir moulding ˝-inch in thickness shall be considered as meeting the requirements of this rule for suitable protection of ground and bond wires.

(2)    Flexible and Rigid Conduit, and Rigid U–shaped Moulding of plastic or other material, as tested according to National Electrical Manufacturer Association (NEMA) Standards TC 2–1990 (for Plastic Conduit) and PH 41–1986 (for Plastic U–Shaped Moulding), shall:

a)    Have a normal temperature minimum impact strength equal to one–half inch nominal EPC–40–PVC conduit (50 ft.–lbs) using the test method specified in NEMA TC 2–1990, and a low temperature minimum impact strength equal to 12.5 ft.–lbs using the test method specified in NEMA PH 41–1986; and

b)    Have a minimum insulating efficiency of 1100 kV/in (1.1 kV/mil); and

c)    Meet the minimum sunlight resistance of 100,000 Langleys, or equivalent laboratory ultraviolet test, of NEMA PH 41–1986.

On wood poles and structures, they shall be installed only outside the climbing space (see Appendix G, Figure 82 ).

CB.    Rigid Plastic Pipe Conduit Or Rigid U-shaped Moulding made of rigid unplasticized polyvinyl chloride plastic or other material, as having the properties and dimensions tested according to specified as EPC-40-PVC and EPC-80-PVC in the National Electric Manufactures Association (NEMA) Standards TC 2–1990 (for Plastic Conduit) and PH 41–1986 (for Plastic U–Shaped Moulding), shall.

(1)    Have a normal temperature minimum impact strength equal to one–half inch nominal EPC–80–PVC conduit (93.75 ft.–lbs) using the test method specified in NEMA TC 2–1990, and a low temperature minimum impact strength equal to 23 ft.–lbs using the test method specified in NEMA PH 41–1986; and

(2)    Have a minimum insulating efficiency of 1100 kV/in (1.1 kV/mil); and

(3)    Meet the minimum sunlight resistance of 100,000 Langleys, or equivalent laboratory ultraviolet test, in NEMA PH 41–1986.  The plastic pipe herein specified On wood poles and structures, they shall be installed only outside the climbing space on poles or structures unless installed in accordance with Rule 54.6-C2.

C.    Plastic Pipe made of rigid unplasticized polyvinyl chloride having the properties and dimensions specified as EPC-40-PVC and EPC-80-PVC in NEMA Standards. The plastic pipe herein specified shall be installed only outside the climbing space on poles or structures unless installed in accordance with Rule 54.6-C2.

D.    Rigid U-shaped Moulding made of unplasticized polyvinyl chloride having the properties and physical characteristics specific for plastic pipe (Rule 22.2-C).  The plastic moulding herein specified shall be installed only outside the climbing space on poles or structures.

FC.     Bolt Covers made of non-conducting shield or covering shield or covering having the insulating efficiency and mechanical strength of impregnated fiber not less than 5/16 of an inch thick one-half inch EPC-40-PVC conduit (see Rule 22.2-A2).

D.     Insulated Flexible Conduit may be used to cover conductors or cables of 0 - 750 volts for the purpose of entering pole mounted apparatus. The insulated flexible conduit shall have a minimum insulating efficiency and mechanical strength of one–half inch EPC–80–PVC conduit (see Rule 22.2–B).

Final Version

Rule 22.2

22.2    Protective Covering, Suitable, Suitable, means a covering of wood, having the electrical insulating efficiency (12 kV/in. dry) and impact strength (20 ft-lbs) of 1.5 inches of redwood, or other material meeting the requirements of Rule 22.2-A, 22.2-B, 22.2-C or 22.2-D.

A.    Ground Wire, Bond Wire, And Communication Conductor shall be covered by a minimum of:

(1)    Hardwood Moulding of oak or rock elm three-eights of an inch in thickness, or Douglas Fir moulding one-half of an inch in thickness or any of these woods having a cross-section as shown in Figure 81 of Appendix G

(2)    Flexible and Rigid Conduit, and Rigid U–shaped Moulding of plastic or other material, as tested according to National Electrical Manufacturer Association (NEMA) Standards TC 2–1990 (for Plastic Conduit) and PH 41–1986 (for Plastic U–Shaped Moulding), shall:

a)    Have a normal temperature minimum impact strength equal to one–half inch nominal EPC–40–PVC conduit (50 ft.–lbs) using the test method specified in NEMA TC 2–1990, and a low temperature minimum impact strength equal to 12.5 ft.–lbs using the test method specified in NEMA PH 41–1986; and

b)    Have a minimum insulating efficiency of 1100 kV/in (1.1 kV/mil); and

c)    Meet the minimum sunlight resistance of 100,000 Langleys, or equivalent laboratory ultraviolet test, of NEMA PH 41–1986.

On wood poles and structures, they shall be installed only outside the climbing space (see Appendix G, Figure 82 ).

B.    Rigid Conduit Or Rigid U-shaped Moulding made plastic or other material, as tested according to the National Electric Manufactures Association (NEMA) Standards TC 2–1990 (for Plastic Conduit) and PH 41–1986 (for Plastic U–Shaped Moulding), shall.

(1)    Have a normal temperature minimum impact strength equal to one–half inch nominal EPC–80–PVC conduit (93.75 ft.–lbs) using the test method specified in NEMA TC 2–1990, and a low temperature minimum impact strength equal to 23 ft.–lbs using the test method specified in NEMA PH 41–1986; and

(2)    Have a minimum insulating efficiency of 1100 kV/in (1.1 kV/mil); and

(3)    Meet the minimum sunlight resistance of 100,000 Langleys, or equivalent laboratory ultraviolet test, in NEMA PH 41–1986.  On wood poles and structures, they shall be installed only outside the climbing space on poles or structures unless installed in accordance with Rule 54.6-C.

C.    Bolt Covers made of non-conducting shield or covering shield or covering having the insulating efficiency and mechanical strength of one-half inch EPC-40-PVC conduit (see Rule 22.2-A2).

D.    Insulated Flexible Conduit may be used to cover conductors or cables of 0 - 750 volts for the purpose of entering pole mounted apparatus. The insulated flexible conduit shall have a minimum insulating efficiency and mechanical strength of one–half inch EPC–80–PVC conduit (see Rule 22.2–B).