three

  1. D

    Three switches controlling one light - Stumped?

    I am having trouble getting all three switches wired appropriately to control the one light - We have one light switch at the bottom of the stairs and two in the hallway upstairs currently. Below is the amount of wires w/ colors coming out of each box: Downstairs - one set of wires coming...
  2. D

    Can you use a single phase motor to create three phase power.

    This might sound like a stupid question so apologies in advance. So I had a random thought in my head. So I was wondering if I was to use a single phase motor to spin a three phase generator to create three phase power, would you be able to create more power then the single phase motor is...
  3. H

    USA ungrounded switched outlet with three 2-wire cables coming into it -- make GFCI

    I'm just a DYI-er here and very new. I have an ungrounded outlet that is completely controlled (it's not half-controlled) by a wall switch. The place I'm in was built in 1957 and this outlet appears to have a jumper wire from neutral to ground. Notice in the attached pics that there are 3...
  4. J

    UK Three phase (No neutral ) EFLI testing on an RCBO

    Hi I have a MFT1553 Mega tester. Is there a feature on the tester to test 3phase RCBOs when there’s no neutral present? Pretty sure mot. Was wondering if i could temporarily connect a neutral on a Wander lead and use the three wire test method? Thanks John
  5. A

    Three rings too much?

    The go to nowadays seems to be to install 3x Ring circuits, upstairs, downstairs, kitchen however I recently tested a three bed house that had every socket bar one on a 20A breaker, on this circuit was a bathroom 13A fan heater too. Tenant has lived there for 13 years never had anything trip...
  6. W

    Three gang occupancy sensor available?

    California Title 24 requires occupancy sensor in bathroom. The existing box in a remodel is a three gang switch for light, fan, and fan mode (humidity control). I can't find an occupancy sensor that will work as a three gang switch. Are they available? If not, I'll have to open up the wall...
  7. O

    UK Single or Three Phase Identification (Vehicle Lift Content)

    Good morning all, I’m afraid that I’ve come here looking for some advice with a problem I have with some vehicle lifts that I have been asked to dispose of. I have listed them for sale, but I am not sure how to determine whether they have single, or three phase motors. I am now aware that any...
  8. W

    Three way and single pole

    Do I need to have 2 power sources if I have a three way switch and a single pole switch in the same electrical box? The three way will have another switch at a different door for inside lights. The single pole will be for an outside light.
  9. Big Clove

    How do you wire double bakelite switches with three wire connector screws

    So yes I have three bakelite double switches 1 of a different brand but both types have only three connectors for wires. Is it simply one main live in (and which would that be?) and two live outs for each of the switches. And I guess the neutrals come off the lights and can be joined together...
  10. M

    Three lights control

    Hi All, I have a small situation, A = Outside light, B = Porch light, C = Inside Light. I would like to switch A + B together but not C, and then B + C together and not C. Is there a replay or something that would switch between two different control to achieve this ?
  11. B

    European two wire 230 to American three wire 240

    Hi, I have a machine I am sending to Turkey and it operates on standard American single phase 240 vac. The problem is the place its going in Turkey can only supply single phase 230 which is one single hot wire and a Neautral/ Ground wire. Is there a transformer or converter of some sort that I...
  12. V

    three phase board separation

    hello everyone, I have a little problem. I've got a three phase board, it has the three phase sauna, one phase lighting and sockets connected to it. The problem i am facing right now. This is a comercial unit. So the problem is that the sauna makes the RCD trip every so often. And the board...
  13. 4

    New fixtures for outdoor lights

    What type of dremel oscillating blade should I use top notch out a recess in house brick, for a 31/2" electrical box?
  14. U

    How can I connect a three phase manuel change.

    I want to do connection for three different power source in my house. Community solar, Personal solar, and a Generator. They are all single phase. Please help me how to connect it in a three phase change over.
  15. C

    USA Three way lighting issue

    okay so noob question...during this outbreak no electricians will come into our house...so I've been messing around with simple projects. Outlet in the wall, moved a light fixture, installed a smart switch. But I F'd something up when I got carried away. We have a light next to the garage...
  16. CokeCanBrad

    UK Three phase testing PFC

    am i correct in thinking for determining the PFC, you can do a PEFC test aand PSCC test and which ever one is highest you can double and choose to be your PFC also is it true for 3 phase that PSCC Is usually always higher? Ive seen some people croc on to the earth and croc onto the neutral and...
  17. R

    UK Three Phase wired machine ohms law calculation

    I have a machine which is wired as 3 phase neutral and earth and is 15.1KW, there are no 415v components and all components are 230v, so effectively it is using 3 single phase circuits, however I have always carried out the circuit breaker calculation based on the 415V potential, I.E> 15120W...
  18. S

    Workshop Q light gauge 220v can a 3 phase 415v connection be made up?

    Hello again and Happy NY all. I have decided to take a small piece of family land and erect a house ( live for a few years) As part of this, i have to do a lot myself, joinery carpentry etc. I have access to a rural farm workshop to conduct all, its dry but the electrical connection is run...
  19. R

    Three phase or single for new installation?

    Hi all, I've just registered to seek a bit of advice and am sure I'll be looking for lots more help soon. I've just bought a plot of land near Hastings that I'll be building a workshop on for personal hobby use - there's no other building on site. I'll be doing some welding as well as having my...
  20. 8

    Three way switch?

    Hi, I am working on upgrading from two ballasts to one for one of my lights in my new basement (just purchased home). After removing the two ballasts and installing only one I realized that I have two sets of wires. On has a B&W and the other has a W&G. They’re both operated by two different...

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