Original Version
Rule 22.2
22.2 Protective Covering, Suitable, means a covering of
wood or other material having the electrical insulating efficiency and mechanical
strength of 1 ½ inches of redwood, or hardwood moulding (oak or rock
elm) three-eighths of an inch in thickness or having a cross section as shown
in Figure 81 of Appendix G, or as otherwise authorized by the Railroad Commission.
Impregnated fiber conduit having a wall thickness of not less than one quarter
of an inch and installed over metal conduit meets the requirements of this
definition when installed in a workmanlike manner as illustrated in Figure
82 of Appendix G.
Strikeout and Underline Version
Rule 22.2
22.2 Protective Covering, Suitable, means a covering of
wood, or other material having the electrical insulating efficiency
and mechanical strength of 1 ½ inches of redwood, or hardwood moulding
(oak or rock elm) three-eighths of an inch in thickness or having a cross
section as shown in Figure 81 of Appendix G, or as otherwise as
authorized by the Railroad Public Utilities Commission,
Impregnated fiber conduit having a wall thickness of not less than
one quarter of an inch and installed over metal conduit meets the requirements
of this definition when installed in a workmanlike manner as illustrated
in Figure 82 of Appendix G., having the electrical insulating efficiency
and mechanical strength of 1 ½ 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 82 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.
C. Plastic
Pipe made of rigid unplasticized polyvinyl chloride
having the properties and dimensions specified as Type II, High Impact, Schedule
80 in United States Department of Commerce Commercial Standard No. CS 207-60.
The plastic pipe herein specified shall be installed only on poles or structures
within the light loading district as defined in Rule 21.0-C and Rule 43.
Final 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
½ 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 82 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.
C. Plastic
Pipe made of rigid unplasticized polyvinyl chloride
having the properties and dimensions specified as Type II, High Impact, Schedule
80 in United States Department of Commerce Commercial Standard No. CS 207-60.
The plastic pipe herein specified shall be installed only on poles or structures
within the light loading district as defined in Rule 21.0-C and Rule 43.