Discuss Switched FCU with LED indicator in the DIY Electrical Advice area at ElectriciansForums.net

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Hello all,

Im looking advice. I'm a diy'er. I have just replaced an old double socket and switched fcu with new stainless steel ones. My previous fcu would have the neon light lit, when switched on. My new one has the led lit when either switched on or off. It's lap brand from the screw fix.

Have i wired it wrong for it to be always on?

Also after fitting I replaced the fuse in the consumer unit. And noted the rcd had flicked off. I put it back on and all is working.

Should the rcd have tripped?

Thanks in advance for replies
 
Hi John,

Welcome to the forums.

It sounds like you have the supply to the SFCU connected to the load terminals (as this is where the indicator will be connected to).

As for the RCD tripping, this can sometimes happen when (whilst cutting a cable for example) you momentarily join the neutral and earth conductors.
 
Hi John,

Welcome to the forums.

It sounds like you have the supply to the SFCU connected to the load terminals (as this is where the indicator will be connected to).

As for the RCD tripping, this can sometimes happen when (whilst cutting a cable for example) you momentarily join the neutral and earth conductors.
Ok thanks for that. I guess I chose wrong when choosing which cable was the supply and the appliance. I shall swap them about tomorrow.
 

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