Hiya, I would like to change a light switch on the downstairs loo to an old industrial Crabtree. Could someone tell me if it is a straight forward swap or do I need to drill a hole into the base of the Crabtree to secure a earthing terminal? I've added some photos of the light switch and the Crabtree I would like to swap it for.
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Earthing Industrial Crabtree
- Thread starter RedQueenie
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That is possible to do however you'll need to ensure that the earth connection is actually "earthed" by using a multimeter after you've connected it up.
D
Deleted member 142255
I would drill and tap it.
Sorry but does that mean to drill a hole in the base and attach a screw? Or would it need to go in the faceplate?
D
Deleted member 142255
Yes, in the base. I would drill and tap an M4 hole then use a brass screw and washer to attach the earth wire(s) to.
Brilliant, thank you. I don't suppose you have any advise as to how I can clean the mechanism up better? I've used a old toothbrush and contact cleaner but there are a few tricky areas I can't get to. Is there any kind of solution I could drop it in to clean it up?
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Some switched that looked like that were for extra low voltage only, do check, rated for 250 volts.
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