brucelee
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Hi all
On a Existing install when testing Zs and RCD at sockets does all current using equipment have to be unplugged or switched off
or is it ok to leave them plugged in
any advice grateful
cheers
On a Existing install when testing Zs and RCD at sockets does all current using equipment have to be unplugged or switched off
or is it ok to leave them plugged in
any advice grateful
cheers