Strage Supply Reset Problem

[glasgowspark]

I got a call today from a pub who seem to have a strange little thing going on, but can't quite work out what it is.

They have a toaster in the kitchen and when turned on the electrical supply is disconnected. Fair enough so far, obviously something like an earth fault in the toaster we would think. ---- the toaster away and buy a new one, problem solved.

However, when the toaster is turned off, the electricity comes back on all by itself without someone having to reset a breaker or fuse. I havn't gone to see the setup yet, so I don't know if this is a fault or if thats supposed to happen. I havn't ever come across any devices or switchgear that temporarily cuts the supply in the event of a fault without the breakers/fuses popping.

Has anyone ever come up against such a device? Is this a fault or can anyone think of a device thats doing this?

 

[Sintra]

Sorry can't get my head round that one. Be interested to know what you find.

 

[Deleted member 9648]

Gotta be a loose connection on the supply,just about making contact but as soon as any load comes on the connection breaks.

 

[UNG]

Sounds like you have fault, I would guess it's a bad connection somewhere causing the circuit fall over when a load is switched on

Are there any other loads on the same circuit as the toaster

I am making an assumption that only one circuit is affected as you haven't said it is multiple circuits that are losing supply

 

[glasgowspark]

The customer wasn't the most helpful over the phone so I don't have any more info than I already posted, so it could be single circuit, could be more. I'm going out to have a look after Christmas, so i'll let you know what I find.

First off i'll try the toaster in a different socket and try a different appliance in the socket to single out if its a socket fault. I guess you guys are right with the loose connection.

I did do a bit of google searching and found an automatic RCD. Its an RCD that automatically comes back on once a fault has been removed. I just don't see this type of thing being in a pub though, it doesn't make sense.

Anyway, Ill let you know the end result next week and post a picture of any strange auto devices that I find, if found.