single

  1. Backtoschoolelec

    Wiring single gang/usb into a FCU to external decking lights

    hello all have a couple of questions re-some decking lights. I have fitted by Electrician around 10 years ago, He’s spured off an existing single gang socket and added in an FSU to control the lights. had nothing but problems with a is a lot to do with either garden creatures, chewing through...
  2. J

    Single or three phase? Whats popped?

    (Thought I'd already poost this Q, but I cant see it, so I'll try again) We have some work going on in one of our buildings atm. On of the chaps has drilled into a cable that was buried in a wall in a fairly random location, knocking out the power to one of the flats (and giving him a nasty...
  3. Q

    Possible to run a 3 phase 30hp 230/460 90 amp Dual rotary screw air compressor on 220 single phase?

    I have a small mechanics shop in a rural area with no access to 3 phase. I picked up a air compressor cheap and knowing at a min. I will need a phase converter. I don't think a VFD or a static converter can do it. Is it even possible to run a 3 phase 30hp 230/460 90 amp Dual rotary screw air...
  4. J

    Changing a 3 gang switch box to a single gang switch box

    I just changed out a 3 gang switch box in my bathroom to a single gang box with a 3 single pole switch. It works fine but wondering if I need to worry about overheating. It is a deep single gang box which just fits in the 2 x 4 wall but there are 5 wires going into this box. Do I need to get a...
  5. roryob44

    T12 ballast help single lamp

    My 4’ old ballast burnt out its and old 70 one weighing a ton anyways I purchased a new t12 ballast but this one has 2 red 2 blue and 2 yellow old on didn’t have yellow will this work I was told to cap the yellow and run the red and blue the way they were in old ballast connect power and be all...
  6. J

    3 Phase to single phase

    Hi, As a DIYer I`ve quite a bit of wiring up domestic house single phase experience but no 3 phase experience. So I have been offered a two post car lift which currently operates of off a 3 phase supply. I have a brand new single phase 3hp motor which I believe will run the lift but I assume I...
  7. C

    20kVA single phase generator grounding question

    How should grounding be made to a 20kVA single phase generator set feeding a domestic property via a manual change over switch? At the generator's alternator neutral is bonded to earth. The generator will be some sixty feet from the mains input box of the property fed by SWA cable. The...
  8. J

    Need a little help, can I add a second PIR with a single core line in (live)

    Will this work?
  9. G

    Australia Adapting a 3 phase industrial machine to single phase

    Hello, I am hoping this is in the correct forum. To start, I acquired a film processing machine that runs on 3 phase. Now before getting the machine I fully understood it's power requirements and the cost of getting 3 phase installed at my house. I figured as processors are mostly a few...
  10. J

    UK Can I put a single socket next to a radiator?

    Hi guys, I am a DIY electrician and I need some electrical safety advice. Due to space constraints, I am looking to potentially put a single switched socket next to a wall mounted oil filled radiator. My concern is the heat from the radiator melting the proposed socket creating melting plastic...
  11. Peter55

    Earthing question - three phase into main building, then single phase to EV charger

    Hi there, new to the forum and in final stages of completing C&G level 3; need to complete design project to complete. Am struggling to get my head around how to draw up correct circuit diagram showing EF Loop path for EV charger where initial supply is described as 'three phase TNCS' feeding to...
  12. H

    Dedicated double socket or single sockets for washing machine and a tumble dryer.

    Existing double gang socket in the corner of a kitchen on a dedicated 12m length above ceiling 2.5 final circuit to CU, was used for a WM and a tumble dryer protected by a 32amp MCB. I wish to keep this arrangement but on lifting floor boards above ceiling I noted entire run of cable/s was not...
  13. P

    Single oven installation? So confused please help

    Hi all and please forgive me if this has been asked many times before, I'm trying to purchase and get installed by one of the national electrical appliances retailers a single oven but I'm getting slightly confused as to what they are wanting to charge me for? So here my supply, 32amp from...
  14. H

    Installing Ceiling Fan with Lights via Single Pole Switch?

    So I am trying to install a ceiling fan with lights, there is a switch location closed with an empty plate and ceiling fan point installed. When I open switch location, can see there are total 5 wires, 2 black, 1 red and 1 ground - white ones are already connected to each other. I am...
  15. i=p/u

    Single phase motor humming and heating up.

    Hi, morning EF. I was looking at a single phase motor yesterday attached to hydraulic pump for cardboard bailing machine that seems to be temerpemental with stop and starting and making humming sound. I checked the contactor was working first and voltage was going to motor, I clamped the cable...
  16. C

    USA Changing a single outdoor switch plate to a fountain to a combo with an outlet

    The previous owners of our property had non in ground rated electrical hardwired into the basement from an outdoor submerged pond fountain. Needless to say it was causing issues. I disconnected and dug up the corroded wiring which went into a switch plate on the outside wall. Layed down new...
  17. D

    contactor single phase L3 used as a pilot light

    Using a three phase contactor but in single phase so just live and neatural using L1 and L2 . Is it okay to hook up a pilot light on L3 terminal so when contactor is pulled in L3 becomes engaged hence pilot light turning on. I dont want to know about aux contact because I will be using that for...
  18. P

    USA Adding single pole switch

    I am trying to install a new fixture and want to bring power to it by adding a single pole switch to a box containing another single pole switch. I believe its the end of the circuit as both black and neutral wires are hot. How do i add the new switch to it? I made pigtails, ran them from the...
  19. Denzo1973

    7 wires in my single socket

    Hi all I am after some advice I have an existing single socket with metal back box and 7 wires 3 earth to one point 2 live and 2 neutral I have a new socket with usb that I want to swap to I put all 3 earths in new face plate and the 2 live and 2 neutral in the correct places Switched...
  20. B

    single phase to 3 phase

    I have a single phase system that uses 320 amps and 240 volts and I rewire the circuits for 3 phase what size generator would I need and how many amps on each leg

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