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Property/DIY

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Generator Question

8 replies

Kursk · 14/06/2018 21:58

Our house wired conventionally however is powered by a generator. But we don’t have a proper generator connection for the generator to connect to. Instead we use a cable with a plug on both ends. One plugged into the generator, the other into a socket in the house.

Anyone know how easy it is to install a proper connection?

OP posts:
PigletJohn · 14/06/2018 23:08

FOR FUCKS SAKE

That thing is known in the trade as a "widowmaker."

Cut it into a million pieces and bury it under the patio,

You must not connect a generator to a circuit, such as a house, that is connected to the distribution system. This because it will electrocute the person repairing the fault when he picks up what should be a safe, dead cable.

It is also specifically forbidden in the Electricity Act.

A well-qualified electrician who is an approved contractor (not just a Domestic Installer) and has done some industrial work will understand the use of a break-before-make changeover switch.

However small household generators are not very powerful so you are better off having an extension cable with a rubber socket on the end that will reach your freezer (and, in winter, your boiler). You may need the isolating switch on your boiler supply to be changed to a plug and socket so you can plug it into your generator.

Kursk · 15/06/2018 03:39

Yes, we are aware of the safety issues, however the house is not connected to the grid, so no concern with back feeding.

Our generator is 7000w. We run it 4 hours every other day.

OP posts:
PigletJohn · 15/06/2018 14:53

then you should connect it to the incoming terminals of your Main Switch upstream of the consumer unit, and to the Main Earthing Terminal which is connected to your Ground Spike and metallic services.

Though if you have a DIY installation it might not have any of those.

You should never have a Plug or exposed contacts on a live cable.

PigletJohn · 15/06/2018 23:21

blocked

Generator Question
johnd2 · 15/06/2018 23:50

Shouldn't be too hard to install a proper connection and as above it will provide a reasonable level of safety if you do! Double ended plug would be funny if it were a jokeGrin i would guess similar cost to a new consumer unit.

Kursk · 16/06/2018 00:29

Thanks for the input. Double ended cables have obvious danger but are ok if handled correctly, and you are not a dick using one.

For instance if you were on main power you would switch the main breaker to isolate your home to prevent back feeding.

OP posts:
PigletJohn · 16/06/2018 07:44

"you are not a dick using one"

Yes you are.

johnd2 · 16/06/2018 10:41

True if handled correctly whatever that means, but it's negligent to use a double ended cable where anyone else could access it. but there are hundreds of dangerous installations that don't meet regulations so yours wouldn't be the worst. Just don't allow any guests especially those with children to have access to that area. There was a tragic case where a small child was killed when a tradesman left a bare ended plug and cable after some work. He was convicted.
However since you're planning to correct the installation you're doing the right thing anyway!

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