single phase

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  1. K

    Sleeving 3 phase cable to single phase cable.

    When sleeving a 3 core 3 phase Brown, Black, Grey cable as a single phase cable, which core of the Black and Grey are to be sleeved as Neutral and Earth. Some lads are saying Black as Neutral and others are saying Grey as Neutral. I can't find a specific answer in the reqs.
  2. C

    Three Phase inverter for a single phase install?

    hello there. I am talking to some people at the moment who wish to install 10KWp on a single phase of a three phase supply. The single phase supplies the house and they want to make as much as as they can from the system. Assuming all is well with the DNO etc. I would propose two 5KW single...
  3. S

    single phase upgrage/FIT

    talking to a customer who has 2.94 installed and he wants to increase this to over 4kw (subject to DNO). My question is: If his incoming meter is change to a 3 phase with a new MPAN, will he loose the FIT rate on the existing 2.94kW?
  4. S

    Single phase centrifugal pump.

    Recently looked at a job to relocate a pump due to the poor location it was in for maintenance purposes. The current set up is a 230Va.c centrifugal pump rated 0.77KW 3.4A FLC fed from c type 6amp MCB to 16amp switched socket. Am I right in saying that this needs to be changed to incorperate a...
  5. C

    3phase to single phase question?

    Hi all! Just wired my first 3phase compressor and got it to run the right way' The customer then wanted to move the compressor to another premises with only a single phase supply! He asked can it be done? I answered "......Erm I think so" Help! The compressor is 3phase and earth. Without...
  6. C

    Single phase motor

    I have a problem with a EDR 25 diagonal fan. I wired in the fan to the wiring diagram ie live and neutral. When I turned it on nothing happened. I checked the voltage at the switch, on the live side of the switch there was 240v. When the switch was turned on the 240v dissapeared! Thinking there...
  7. G

    2 post ramp wiring 3 phase to single phase

    hi, i am in need of some advice on wiring for a 2 post ramp, the ramp is a Bradbury electro mechanical that was 3 phase i have replaced the motor with a 3kw single phase capacitor start capacitor run motor, what i need to know is can i run the motor from the original drum switch and contactors...
    • gaz-c
    • Thread
    • 3 phase contactor electricians' talk motor phase post single single phase wiring
    • Replies: 36
    • Forum: Commercial Electrical Advice
  8. D

    Single phase contactor

    Hello All, Today i am connecting up a single phase contactor. I know the contactor needs a neutral to operate the coil, but does the neutral for the load have to run through the contactor as well? As you can tell I have not done to many of these. The contactor is for the underfloor heating as...
    • daza1001
    • Thread
    • contactor electricians' talk phase single single phase
    • Replies: 10
    • Forum: UK Electrical Forum
  9. C

    Will a three phase meter meaure single phase if required?

    I have to install a temporary single phase supply which is getting upgraded to three phase very soon. Will a modern three phase meter measure just the current being used on one phase? Can anyone recommend any particular brand/model? I've got to come out of an existing TP board so looks like I...
    • chronyx
    • Thread
    • electricians' talk meter phase required single single phase three three phase
    • Replies: 8
    • Forum: UK Electrical Forum
  10. H

    electric showers single phase supply

    Hi i'm after some advice, i've been asked to quote for a rewire in a care home which has a single phase supply, they have requested 5x 8.5kw showers to be installed can you apply diversity to electric showers and is there a device which allows only 1 shower to be working at one time? I have...
  11. Baker1988

    Homework 3 phase to single phase

    Hi every one i was just looking for a bit of help i have been given some home work from college that i am not sure on, We have just started learning about 3 phase so not very good at it yet but i have been given home work i have to draw a circuit diagram and a wiring diagram for a balanced 3...
    • Baker1988
    • Thread
    • 3 phase electrical work electricians' talk homework phase single single phase
    • Replies: 23
    • Forum: UK Electrical Forum
  12. D

    New Single Phase Install from 3 pahse

    Hi All, Right here goes.. I have been asked to attend a Manchester city centre job where I have been asked to wire an upstairs flat which is currently fed from a old rewirable fuse board.. Which is fed with 2.5MM cable which is fed from a three phase board. (Needless to say I won’t be...
    • Djlelectrical
    • Thread
    • electricians' talk install new phase single single phase
    • Replies: 1
    • Forum: UK Electrical Forum
  13. D

    3 phase db converted to single phase with 10mm earth

    Hi.Today during my job at a police station, took cover off brand new KQ 3 phase SquareD db (recent db change by different firm) to connect my new ring to one of the ways and found that the 3 phase db had been converted to single phase. 25mm double insulated tails live and neutral, L1, L2 and L3...
    • daveelectrician
    • Thread
    • 10mm 3 phase earth electricians' talk neutral phase single single phase using
    • Replies: 21
    • Forum: UK Electrical Forum
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