The importance of proving de-energised(isolated/dead) before starting work.

[Deleted member 9648]

It may have gone quiet for a reason. Don’t think your isolation procedure covers every situation.

Depends here who had the responsibility of ensuring the equipment they were working on was dead, if it was themselves then the buck stop with them.

I had fitted a rotary Isolator so a compressor company could send his Engineer out to service the unit, I watched him switch off and lock off the isolator and that was it, before he touched anything I stopped him and did a dead test for him, he didn't grasp the dangers of his actions if the isolator failed etc... I contacted the company and expressed my concerns they also seemed too relaxed about it all but they did say it will be looked into.

They were working alone and there was no request for the supply to be isolated,so they were responsible. It remains quiet on the legal action front.