circuits

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  1. T

    Lighting Circuits......

    Without going into calculations, at what length of the main run from the D.B. on a lighting circuit do you get a gut feeling that it needs to be upgraded from 1.5 to 2.5 cable more referring to singles than T & E. 6/10A type C mcb LED lighting low design current so more of a V.D max loop etc.
  2. D

    Extending Circuits for a side extension

    Hi, I have been asked to price for a side extension which will contain a utility room, office, few down lights etc. The house was rewired by another firm 18 months ago, with all the correct paperwork etc and completely renovated. A RFC and lighting circuit have been installed and terminated in...
  3. D

    Extending Circuits for a side extension

    Hi, I have been asked to price for a side extension which will contain a utility room, office, few down lights etc. The house was rewired by another firm 18 months ago, with all the correct paperwork etc and completely renovated. A RFC and lighting circuit have been installed and terminated...
  4. H

    Common live wire for three circuits

    Hi, Hoping someone can help me with a lighting circuit challenge. I have an existing two gang switch, with one 2C&E cable for a simple circuit and one 3C&E for a two-way circuit (using conventional 3 control wiring). It's an older property but pretty conventional loop-in loop-out radial...
  5. SparkyChick

    Testing off-peak circuits during on-peak period

    Hi chaps, Just wanted to gather some feedback about this topic. To give it some context, yesterday I went to sort out why one storage heater in a property was on all the time. 24 hour board + Economy 7 board. History of the circuit... small bedroom had a convector heater removed and replaced...
  6. D

    SY cable for distribution circuits and final circuits

    Hi all, Just a question relating to SY cable and the use of SY cable. My boss his carrying out a EICR for a industrial premise and coming across a lot of SY cable. These cables are used for final circuits and distribution circuits. I know that BS7671 list SY cable as non - standard cables and...
  7. BarryJ90

    Best videos for explain One way, two way lighting circuits

    hi guys Anyone know of any good videos on YouTube for this? I found some myself but I'm guessing a lot of you guys will know from experience the better guys to watch. I know Pete shares a lot of this JW guy so I'm guessing he is good?
  8. P

    Microwave tripping circuits on two separate CUs

    Hi All Bit of a strange one... My mother in law decided to poach an egg in the microwave, and whatever she did, the egg went bang and knocked out the kitchen sockets. Strange thing is, it looks like this also tripped circuits on a separate CU which feeds external sockets & lights etc. It...
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