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Testing a 3 story house today prior to a board change, found smoke alarm circuit has been installed in twin and earth, and cpc has been used as interlink. Due to return tomorrow morning to change the board, and not sure which option to take. Would you disconnect or record observation...

I have just replaced an old fuse board with a dual rcd unit in my house, all ways have additional RCD protection. The garage is supplied via 20A a radial circuit (installed 2.5mm t&e), cpc continuity, Zs and rcd opening times, etc are all fine. The garage roof trusses are steel, and linked...

I have been asked to replace an old fuse board in a domestic property, there is very little room in the electrical cupboard to fit a new board so that it is far enough (min 150mm) away from the gas meter/gas pipe work. I am thinking I will have to install the smallest (max width available...

Hello, I am looking for help and advise with a summation supply arrangement.- I have been asked to quote to install a supply to a shed (yes it is that time of year again!), where the intended additional load is (60-70A). Combine that (60-70A) with the existing demand of the house including...

Hello Folks, I went to look at a job today, the customer wants a shaving/vanity light installed above the sink in the bathroom. The distribution is via rewirable fuses, and not an RCD in sight. I checked the main lighting point in the bathroom, and it hasn

Hello, I have been asked to rewire a flat, of which the owners dad is an 82 year old retired spark. He wants to help out, to save his daughter (the owner) some money. I met him at the flat and we had a walk around, he seems to know the installation well as has worked on it over the years. He...

Hello, My question is (sorry if this seems a bit long winded) - I was called to look at an extractor fan problem installed in a bathroom. It turns out the fan is faulty, and initially I was just going to replace it, and called the client to let her know. As I was driving home I was thinking...

Hello everybody, please can someone tell me what type of BS cut-out this is?? (attached pic)

Hello, Sorry but another bonding question..... I recently installed a 12v extractor fan in a bathroom which had never had any central heating radiators in it, until this re-fit. I installed the transformer for the fan is outside the bathroom, the only light switch is also outside the bathroom...

Hello, I took a reading of 0.07 ohms for Ze on a TN-S supply last week. I have'nt had one this low before, double checked it and still the same. I know max. allowable is 0.8 ohms on TN-S, so am wondering if anyone has any guidelines on how low can you go before suspecting something isnt quite...

Hello, Please can anyone advise me on how to reinstate the IP rating of a consumer unit after you have cut out some of the tabs on the unit cover to allow for outgoing the cable? I am going to use this installation as one for my domestic installer assessment, and I am desperate not to fail on...

Hello I just wanted to introduce myself. I have recently started trading (sub contractor) as an Electrical improver/Domestic installer having gained C&G 2330 level 2, 17th Edition, and VRQ Part P. I am awaiting an appointment from NICEIC to asses my two jobs for registration and membership...