size

  1. kenny maccuish

    Cable size?

    Hi guys I have a job next month where my customer has decided to split his house into 2, luckily there are CU's in the 2 halves and apart from a few wires needing moved for the hallway for lights etc the only real issue i have is a new supply cable to 1 of the CU locations which is about 20m...
  2. W

    Earth size for installation

    Was doing an EICR today and the for the installation was the same size as the tails. 25mm, would this go down as a c3??
  3. J

    cable size for shower

    Hi guys I have been asked to fit new shower and run new cable for it too, looking at regs book it would have to be reference method 103, which for 8.5kw shower would mean 16mm cable, can terminals in the shower take 16mm and the terminals in the isolator? I have tried looking for different cable...
  4. C

    how to work out what size commando plug I need.

    Hello. It has been a long time since circuit designing for me as I am a simple maintenance person. How do I work out commando plug sizing, for example a machine rated at 32A, plus I have several machine that need moving onto one board, I have there rated current how do I work out board size...
  5. R

    PVC Conduit size for 1.5mm SWA

    What PVC Conduit size would best for 1.5mm SWA 3 Core? As I need to run some inside conduit.
  6. R

    Wiring size

    In new construction, if I make a 20amp run of say 4 outlets using 12-2 wiring, can I come off of an outlet with 14-2 wiring for my lighting? Or do I have to make a separate run of 14-2 for the lights? Sorry I'm a newbee.
  7. F

    Cable Size Query

    Hello, I'm hoping someone can help me with a problem I've come across on behalf of a colleague. A single phase PV system with a 6kW inverter has its AC running 187m underground to its point of termination. The cable that has been used is a run of 3 core SWA (6mm) carrying the neutral, and...
  8. ETradesmen

    New build - DNO fuse size

    Good morning one and all, I have a new build coming up (Hertfordshire) and was wondering what size fuse the supplier install now? The reason why I’m asking is because a sub main is required due to the client not wanting the CU near the meter. thanks,
  9. 1

    Armoured cable size 1.5

    Hello all , In the garden there is 1.5 3 core armoured cable running from the exterior wall to an outside socket , the power is from a socket inside the house (on the interior of the same wall) I know the sockets are wired in 2.5 but why is the armoured 1.5 ? Thanks
  10. L

    Cooker cable size

    I am not an electrician but consider myself to be very knowledgeable in installation works. Lately however, I have come across a problem when carrying out work at my home. I have supplied my cooker circuit in 1.5mm cable as stated in the 18th edition but have since had issues with my sockets...
  11. K

    fluorescent bulb size

    I have a bulb that is over 20 years old and has started to flicker. I've replaced the starter switch but the bulb continues to flicker. I'm going to buy a new bulb but the size seems odd. It is 34mm in diameter and the pins are 12mm apart. A T8 seems too narrow and a T12 too wide. Grateful for...
    • keith2511
    • Thread
    • bulb fluorescent size
    • Replies: 4
    • Forum: Lighting Forum
  12. F

    Cable size to electric shower

    I have a customer whose electric shower has stopped working. It has previously been working fine for a couple of years. No problems before hand, no faults on the board or tripping out. upon inspection it looks like the supply cable is undersized. He’s asked me if this would have caused the...
  13. happysteve

    Imperial gland - thread size?

    I need to replace this mess with a switch fuse (not the socket, obvs). The pyro is imperial; IR is low(ish) but above the minimum. Estimated age is about 60 years. The only things I'm missing are a banjo and a locking nut. I'm pretty sure I can get a 25mm banjo on to fit, but what thread were...
  14. R

    What size wire should I use?

    I am putting in an above ground pool about 350 feet from my electrical box. I would like 30 amps out there. I will add some lights and a fan. Normally I would do 20 amps, but if I ever want to use a pool heater, I will need 30 amps. I already have conduit buried. I have used multiple online...
  15. N

    size of earthing conductor from switched isolator to CU

    Domestic single phase supply, TNCS, 25mm tails. From supply to Fused switched isolator : Earthing conductor is 16mm. From isolator to CU : Earthing conductor downgraded to 6mm for what ever reason I don't know. Is there something in the regs that says after an isolator the conductor can be...
  16. P

    Different core size connections

    Hi forum, I’m planning some garden lighting and would like to try an minimise the amount of cable I’m using. I have a number of different lights/circuits in one area of the garden so was planning to run a multi core cable to a convenient place then make connections from there. All the lights...
  17. L

    Fly Lead Size to SWA

    Hi there, If I’ve got a SWA, what size should my fly lead cable be from banjo to earth bar ? The wire armouring is only being used for mechanical protection and not by means of supplying a earth. If I am using the SWA as means of a earth connection how do I size the fly lead then?
  18. M

    Trunking size estimate ???

    Hi, does anyone think they know this size of this trunking just from the image. The conduit is 20mm. 1590221619 I believe it's schneider trunking.
  19. B

    EICR big washer what size?

    What size washer would you all presume this is? It’s 20a radial fused down to 6 amps but I’m unsure of dryer size as can’t find details as confused between 7.4 kW and the 3.7A Thanks guys 1589965681 Also has gas inlet too
  20. C

    What size wire do I need?

    Hello, I have a 100 amp sub-panel in my garage that I would like to put a 60 or 70 amp breaker in and run that out to my shed about 175 feet away to another panel. My limited electrical understanding leads me to think that going such a long distance might cause excess heat from resistance...
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