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I'm an electrician who is applying for a job where some knowledge of CAT 5 networking would be helpful, but not essential. I jst would like to get some tips, like how are the cores identified, and how they are normally terminated?

I have a digital heating programmer that is linked to a room thermostat, then to an electric boiler. The power comes into the programmer, then that feeds the thermostat, which then feeds to the boiler. The pum on the boiler is not switching over, so I was wanting to know how the programmer and...

I have a digital heating programmer that is linked to a room thermostat, then to an electric boiler. The power comes into the programmer, then that feeds the thermostat, which then feeds to the boiler. The pum on the boiler is not switching over, so I was wanting to know how the programmer and...

I need to get a replacement mcb for a clients consumer unit, but a first glance there doesn't appear to have any manufacturers details, apart from a logo. Does anyone recognise it? It is made up of 5 red squares. If you can picture a square divided into 9 smaller squares, then the top left, top...

I'm having to take on a project of installing a consumer unit, but the socket side has to be on a digital timer, so the sockets go off at night. I haven't found a digital timer of a high enough ampage to just wire in, so may have to use a 4 pole contactor. As I have never done one, can anyone...