NR/L3/ELP/27240/NR/D26AA
Temporary Instruction for Testing Whipp & Bourne MM74 Circuit Breakers
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| Organization: | NR |
| Publication Date: | 1 March 2017 |
| Status: | active |
| Page Count: | 3 |
scope:
Includes: Due to a suspected auxiliary wiring fault on a MM74 at ST. Johns TP Hut in April 1991, it is felt that checks are required on all similar circuit breakers. This temporary instruction details the testing procedure for checking the wiring insulation
Document History
NR/L3/ELP/27240/NR/D26AA
March 1, 2017
Temporary Instruction for Testing Whipp & Bourne MM74 Circuit Breakers
Includes: Due to a suspected auxiliary wiring fault on a MM74 at ST. Johns TP Hut in April 1991, it is felt that checks are required on all similar circuit breakers. This temporary instruction...