screwfix

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  1. J

    Plugging 20 amp a/c into 50 amp outlet

    Mobile home outdoor power supply is a pedestal that power to the mobile home plugs in much like an RV. The main power supply into the mobile home plugs into a 50 amp outlet to the breaker box inside the trailer. The central a/c unit was an add on that was installed before I bought the trailer...
  2. K

    Conduit size for 200 foot run to sub panel

    I am adding a 60 AMP subpanel for a detached garage/workshop with a 200 foot underground conduit run from the main panel to the sub panel. Planning to use schedule 40 PVC. I have consulted with a local electrical inspector and determined that I should use 2 2 2 4 Aluminum THHN/THWN. However he...
  3. A

    How do I remove the conduits

    I have a switch box, I believed is from the 63 installed, that I want to remove but couldn’t because the conduit connection to the box looks like it’s press in. There is no nut. How would I go about removing it.
  4. finsends

    Insulation of electrical power pole

    Hello, I have a fairly big property and to get power to the house, there are several metal poles with the cables running along them. I had multiple issues with lightning strikes and suspect that the lightning hits one of the poles and reaches the house through that route. Additionally, the...
  5. monolopcidy

    Is my ASUS Laptop fixable?

    My ASUS laptop has been sort of broken for a while, instead of replacing it we thought that it might be repairable? Its missing both hinges and that one bottom border on top of the screen, it turns on but the screen stays black and it charges normally. And the screen is connected to the keyboard...
  6. J

    220 connection for new wall oven.

    I am getting ready to install a new wall oven that's about 4 ft closer to the panel than the old stove. I have about 4 ft extra cable with the new wall oven location. For code do I need to install a metal box on the wall behind the new oven location or can I run the cable that's coming out of...
  7. E

    Hall Lighting with Architectural Dimmer

    I am looking at installation of an architectural dimmer, that is will supply 6 channels, with 20A circuits each (2400W ea). Our hall has can light fixtures. Roughly 50 lights are ceiling fixtures (uncertain if individually channeled, or wired in groups), and about 18 are track lights. About 24...
  8. G

    How to connect 50 amp inlet box to a Siemens 200 amp outdoor combination panel

    Trying to connect a 50 amp inlet box to my Siemens outdoor combination panel 200 amp cutoffs. Can’t figure out where to insert the 50 amp breaker since the 200 amp breakers appear to cover the whole panel. The panel has two 200 amp breakers, but want to connect it to just one of the panel...
  9. K

    Can you explain to breaker info to me?

    I am buying a house and it was built in 1949. Is there anyway I can tell if it has tube wiring without opening up the walls? Is there anything else I need to watch out for with a home built in 1949? Also can anyone explain these 2 photos to me? Does any of it explain if there is tube wiring?
  10. juanf8388

    Electrical service ampacity

    I need to calculate the service ampacity of a building. The wire is 250MCM (copper). 3 wires coming in. These wires provides power to 6 - 60amp panels. Anyone can help me to determine the service ampacity? What i know is the 250mcm wire can hold up to 290amps.
  11. I

    Electrical car hookup question

    I am thinking of getting an Electric vehicle. The only way for it to be realistic is to home charge. The problem, I have a fuse box no breakers. Do I have to upgrade my electrical box or can I add a 240V outlet as is? This is a 2 family home, the girl upstairs has a 240V to run her stove (I...
  12. Y

    MC against heating pipes?

    Noticed an old cloth wire coming down the brick wall feeding an outlet on the opposite side of our oil burner is all fray. Was going to replace it with MC but the plumber that was here doing work (why I was back there to take notice of it) mentioned there is some new local rule that they aren't...
  13. P

    Working on a fan, what is this part

    I got my hands on an old floor standing fan and started looking to rewire it. I found this part, I think it's a resistor, but was hoping someone could confirm for me, and maybe suggest a replacement, this thing is kind of crusty, looks like it was covered with layers of something in the past...
  14. W

    220v attic conduit question

    Hello all, new here. In the near furture i want to install an electric tankless water heater. I would do gas but i only have electric in my home after moving. I will be hiring an electrician to do the wiring. Its only 30 feet from electrical box to water heater location and i will need a double...
  15. D

    Ground bar neutral bar connection

    I have breaker box at least 40 yrs old, both conduit and romex enter box, only one neutral bar that all white wires and bare ground wires attach to, bar has bond screw to box. Most everything I read and pictures on internet seem to contradict. Nowdays box must have separate neutral and ground...
  16. MrKaris

    Kitchen circuit wiring question. newbie DIY. #help

    Hello. I am new to wiring and could use some help getting this circuit wired in the kitchen . I am trying to get the source power to the GFCI and then through a switch to have the garbage disposal protected by the GFCI. I also have a switch that I would like in for the above sink light. Lastly...
  17. D

    Help with a Double 3 way switch and 2 regular 3-way switches

    Hi, Need some help with an odd setup. I have a large room with many lights that i separated into 2 sets. In Box 1 there is the 14/2 power in, 2 regular 3-way switches and 2 14/3 wires out to the box at the other side of the room. In Box 2 i only was able to put a single gang box so i got a...
    • DYIdiot
    • Thread
    • 3 way 3-way double regular screwfix switch switches
    • Replies: 4
    • Forum: UK Electrical Forum
  18. M

    Adding electrical boxes

    I had done this about 30 years ago, and, IIRC, it was a series of boxes, Romex coming in, and Romex coming out, one in, one out, each box, except for the lady box had one in and that’s it. My wife wants me to add another box to an existing outlet in the basement, except it’s not the last outlet...
    • MrBojangles
    • Thread
    • adding boxes electrical screwfix
    • Replies: 3
    • Forum: UK Electrical Forum
  19. M

    Ground wire(s) in multiple conduits between sub panel and j-box

    At long last my wife is getting her new kitchen and the contractor will be running 10 or so new circuits from a new sub panel. The sub panel, unfortunately, is on an outside wall around 35 feet from the kitchen. The wiring will have to go down the wall, into the crawlspace under the house, and...
  20. J

    Why is my conduit bend passing so far from obstacle?

    I’m an electrician trainee and very new to conduit bending. So the length of the floating wood is 9 1/2” and the height is 10 3/4” I’m doing a 30 degree bend with multiplier of 2. I marked the first mark at 9 1/2” then from that mark I measured 21 2/4”, but it just passes to far from the...

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