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I have lost power to the 240v hook up circuit,the fridge still works on the hook up voltage but the 3 pin sockets have failed,i have 240v coming in to the the van as the fridge and hot water heater are ok,test at a junction box under the seat and the voltage is ok there,is the a internal fuse our mcb somewhere?

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  • gbob59 Mar 19, 2015

    I believe it's more likely they are Circut breakers, which if they used conventional breakers, there should be a fairly big box I would think near the incoming supply. As well as the other supply. By three pin you don't mean 220vac do you? Standard socket for 110 and ground. So they could be smaller breakers. but I still would think the box to be near the incoming feed. This tool will work on any wire. It might help if you don't find an answer other wise.



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Sorry, I don't understand. As I understand it, everything works, except three pin socket (220 vac) socket for another appliance like a 220vac window air conditioner for example? Do you have a volt meter that says it failed? Usually. the middle pin is neutral.
so that voltage between it and either of the other two is 110vac.
The outer two should show 220vac.

Posted on Mar 19, 2015

Testimonial: "Sorry,its a Fleetwood Colchaster 1300/2 touring caravan think approx 1990,the electric hook up that plugs into the van for thr 240vac circuit is fine running into the caravan,the fridge is still working and so is the 240v heater for the hot water tank but there is only two three pin sockets in the caravan and there is no power going to them,think we have overloaded due to a electric blower and running a domestic kettle plus a tv ....wondered if there was a fuse it might have taken out on the 240v circuit inside the van for the sockets as i have no wiring diagram for the caravan,i have a fluke meter and i have 240 volt to a junction box under the seat but nothing at the sockets,just thought someone may have had this problem without me having to trace all the wiring from the sockets backwards ie a fuse i dont know about or a mcb which is unlikely due to the age of the caravan cheers Steve"


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