Electrical Engineering Question: Download Questions PDF
To facilitate safe isolation, voltage indicating devices
Answer:
* a) Must comply with BS 7671
* b) Are used to prove the circuit was dead only
* c) Are used to prove the circuit was alive only
* d) Are “proved” prior to and “re-proved” after isolation
Answer – d
* b) Are used to prove the circuit was dead only
* c) Are used to prove the circuit was alive only
* d) Are “proved” prior to and “re-proved” after isolation
Answer – d
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