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Electrical

Pool heater problem

Anonymous user 19/06/2026 - 2.16 PM

I have an external socket which is supplied by its own circuit from the distribution board. I have a pool heater which requires 13A to run. I ran it last year on a heavy duty extension cable with no issues. This year it is overheating at the plug and melting the socket. The heavy duty extension cable is built for running powerful tools so should be able to cope but this year it isn’t. Any advice?

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1 Answer

PS Electrics

Rating: 4.5 out of 5

Hornchurch

Are you sure it is drawing 13 Amps? If so this is too much for a standard socket for long periods. If it has a 13A plug factory fitted though it should be fine and is probably drawing more like 10A. If that is the case and it is ok to have on for long periods from a standard 13A socket in that case check for loose connections in the socket or the plug. They do do a so called EV 13A socket that can take a higher current for longer so you could try that if the heater is taking more than 10A for long periods.

Answered19 June 2026