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

Download Electrical Engineering Interview Questions And Answers PDF

Previous QuestionNext Question
Instruments should be regularly calibrated toWhich legislation states the need to avoid live working unless unreasonable in all circumstances?