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Immersion Heater & 13 Amp socket.

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We were discussing the rating of 13 Amp sockets recently, both double and single types. The rating seems to be 13 Amp. as indicated on the back of the accessories. Yesterday I had to replace a 13 Amp. single socket that became faulty. It supplied a 3000 Watt water heater. Did the 13  Amp plug burn out? No. Did the socket burn out? No. But the socket switch terminals welded together and would not switch off. So I fitted a 20 Amp double pole switch instead. So, even if a 13 Amp. socket is marked 13 Amp. it may not deliver 13 Amps. reliably, perhaps the makers apply "diversity" when calculating the load current and sizing the contacts for their 13 Amp sockets.


Z.
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    I agree that the old type of 13 Amp. sockets were better made than some modern ones. The old M.K. 60s solid cream coloured sockets were used for 3kW electric fires for hours in the evening when folk were watching t.v. using their coal effect electric fire with the rotating propeller. They lasted for many years.


    The location in question for me was in an airing cupboard, but it has a small well insulated pressurised unvented bomb water heater, not a copper cylinder with ill fitting insulating jacket and lots of hot pipes. The bomb is very well insulated. The airing cupboard does not get very hot at all.


    I do believe that modern wiring accessories are of a poor quality these days in many cases.


    Z.
Reply
  • 0
    I agree that the old type of 13 Amp. sockets were better made than some modern ones. The old M.K. 60s solid cream coloured sockets were used for 3kW electric fires for hours in the evening when folk were watching t.v. using their coal effect electric fire with the rotating propeller. They lasted for many years.


    The location in question for me was in an airing cupboard, but it has a small well insulated pressurised unvented bomb water heater, not a copper cylinder with ill fitting insulating jacket and lots of hot pipes. The bomb is very well insulated. The airing cupboard does not get very hot at all.


    I do believe that modern wiring accessories are of a poor quality these days in many cases.


    Z.
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