General Order 64-A

Definitions Of Terms Used In This Order

22.1    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 as otherwise authorized by the Railroad Commission.  Hardwood moulding (chestnut, oak or rock elm) three-eighths of an inch in thickness or having a cross-section as shown in Figures 62 and 63 of Appendix G meets the requirements of this definition when used as illustrated.