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Hi, I'm working on a small project and need some help with relay wires. I have two relays that get turned on by different items but i need both relays to be able to turn a third relay on when one of them gets activated (the third relay powers a sounder) i then need for the third relay to be...

I am working on a small project and need to fuse two outputs at 24v DC (2A) and 12v DC (2A). A panel building friend of mine has told me to use MCBs at 2A each but in my tests the breakers had no tripped at 2.9-3.1A and they were getting quite warm. I would like your input on the best fuse...

Hi, I was repairing a broken socket front yesterday in my house and noticed that at every point including the consumer unit the incoming voltage is 257-260v (fluctuates) is this acceptable or do I need to call northern power grid? Thanks

Im curious, when an what applications are these used for and whatare they not suitable for?

While looking for a B16 MCB the other day I stumbled across a B13 and C13 MCB made by various brands... what would they be used for? it seems an odd size??

Hi, I want to charge a car battery via a solar panel connected to a solar charge regulator. Form this it will connect to an inverter to power some mains items. What size solar panel would I need to successfully charge the battery and it not take weeks to do so? Thanks

Hi, is there any other way of jointing an armored cable below ground? can you use out door glands in to a plastic box then fill with resin? Just a question. Thanks

If you are using all 30ma RCBOs in a TT install can you do away with the 100ma/300ma main RCD?

A friend of mine came to fit a new double socket for me and while he was here did a earth loop test, it came back at 0.16 and he said that was bad... I thought the lower the better?

Hi, About 7 years ago we had a brand new three phase supply to our coffee shop and until now we have never seen it as the cables etc were covered by stone (stone covered duct) Im just a bit puzzled by what we have... There is a cable coming from the road and it says on the sheath (3 x...

Hi, My hob has packed up and need a new one until we get a new kitchen. The hob im looking at takes 7KW and we have an electric oven taking about 2700w. Would these both be ok on a 6mm twin and earth protected by a 32A mcb? Thanks

Hi, Im in the process of thinking about installing some CCTV on my land but have no idea what camera systems I need... I will need a max of 4 external cameras to be fed from the house and the furthest camera will be 80m+++ away. Is this possible and if so any advice? Thanks

In another thread I have been talking about a cable run to a chicken shed about 60-70m away from a house. I am now laying the cable my self to save costs. I have been told that it would need to be 6.0mm 2 core XLPE to provide a 30A supply to the shed but when I use ANY of the online cable size...

Hi, Im working on a little DIY alarm project and need some help please... When the alarm is sounds I need some lights to come on that would normally be operated by a light switch, they need to stay on while the alarm is sounding and the light switch needs to be made useless until the alarm is...

My step father has a very large poultry shed that has been out of action for some years but now he wants to bring it back in to use for chickens. There is no electric supply in there at the moment and so he wants mains fed from the house to this shed. There will be some sockets just in case...