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deb152000
HI All,
I am really confused!
When checking the insulation resistance do the MCB's need to be open or closed?
I have had a look in my books but cant find the answer.
Thanks in advance
Debbie
I am really confused!
When checking the insulation resistance do the MCB's need to be open or closed?
I have had a look in my books but cant find the answer.
Thanks in advance
Debbie