Was showering this evening and smelled burning plastic. Immediately switched the shower off. Done a bit of sniffing about and smelled it from the pull chord switch. Turns out the supply side neutral had melted. What could have caused this? I've attached a pic
Common problem caused by poorly terminated cable or incorrectly torqued connection. Over time you get a little arching that soon causes that problem. Easy fixed. 1. Buy a quality isolator switch 2. Ensure you have clean copper going into the terminals. 3. Tighten the terminals to the correct torque. Good luck with your repair.
Use one of these next time you won't regret it https://www.toolstation.com/crabtre...oi5OWsmESvQ4oBIuc-hoC-DAQAvD_BwE&gclsrc=aw.ds
So will it be safe enough to cut back the cable a bit or should I look for further melting further back in the attic?
Yes, very common problem these days. Shower wattage has increased and the quality of the switches has decreased.
Thanks. Just wanted to be sure before I wired a new switch. Going to use the crabtree one instead of the LAP switch that was on there. The wires seemed very cramped in.
These switches are designed to be used to isolate the shower. If you use them as functional switches (on and off each time you shower) then this can shorten their life.
If you can cut out a 47mm deep double box and fit a larger sized isolator. It makes terminating easier and more room.
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