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  1. M

    440V heating element insulation test

    Good evening gents - many thanks for your replies - I'm using a MEGGER BM80/MIN on the 500v range. I'll give the  elements a toast and see what happens to the insulation, and as also suggested, contact the RN and see what I can glean. best regards  Mike A
  2. M

    440V heating element insulation test

    Hi I do voluntary  work on a retired Royal Navy Fleet Tender vessel,  both electrical and engineering. We have a 440v ships galley oven and hot plates. There is no RCD, so as part of a safety check, what insulation reading would I expect across the elements and their tubular casing, what would...
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