Discuss 3 phase insulation resistance in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

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c.boy

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WHEN ISOLATING THE D/B TO TEST FOR I/R SHOULD YOU LOCK OFF THE MAIN ISOLATOR AS WELL AS THE MAIN SWITCH IN THE D/B OR ARE YOU OK WITH JUST THE MAIN SWITCH BEING LOCKED OFF?? JUST THINK THAT IF YOU ONLY LOCK OFF THE MAIN SWITCH AT THE D/B THERE IS A CHANCE OF STICKING YOUR PADLOCK KEY INTO THE INCOMERS OUCH!! NOT DONE 3 PHASE TESTING BEFORE SO HOPE THIS MAKES SENSE?? GOT A TEST ON MONDAY JUST WANT TO MAKE SURE!!:confused:
 
Will you not require the incomers to remain live for eli, pfc test ?

You know you'll be more than careful !! :)

Certainly lock off, and either restrict physical access, or large danger notice and
courdon area out of bounds..
 

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