screwfix

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  1. R

    Wiring 50amp outlet, but only 3 wires run to the disconnect

    I have an existing but unused 50A disconnect on the side of the house. It had been connected to an AC unit that got replaced. It has just 3 wires run to it - hot, hot, and ground. I want to repurpose it for an RV hookup, using a Nema 14-50R receptacle. However, that receptacle requires a...
  2. E

    NEC 2020 Emergency Disconnect Wiring

    I'm starting a new construction single-family residence, I know with the 2020 NEC they require an emergency disconnect on the exterior of the home. My confusion is do I treat the emergency disconnect as the main disconnect, and the main breaker panel would be wired like a subpanel with separate...
  3. 208cheezhead

    Do I need to rewire my shop?

    Hello! My shop is currently on a single 15 amp circuit. Is like to upgrade it at the main home panel to a 30 amp. Do I just need to run 10 gauge wire from the main panel to the shop subpanel and then add a second 15 amp circuit on the subpanel? The shop is currently wired with 12 gauge wire. I...
  4. R

    Shed electrical requirements

    I’m planning on putting in a small (10x10) detached shed for garden storage plus a freezer for meat storage, an in-wall AC unit (for temperature sensitive seedlings), and a few outlets and lights. The interior would be fully insulated and Sheetrock finished. I was planning on a 100amp,12...
  5. K

    Wire GFCI location for Hot-tub?

    Hello and thank you for your time. In the picture, the 6/3 gauge NMD wire is running though the basement ceiling and out of the house into the backyard. Its about 13 in off the ground and about 20 in away from the water line. I have some extra wire slack temporary taped up and covered with a...
  6. R

    Pad Mount Transformer over Pole Mount for New Home Build?

    Hello --- In the planning stages for a new custom home build -- The house will be several hundred feet from the road and I want to have the power underground --- I am wondering if I should inquire about having a pad mount transformer in close proximity to the Power Pole Source rather than a pole...
  7. S

    Non service Equipment

    I was looking at a customer's panel located in his apartment (multifamily dwelling) and noticed that it had 3 wire feeder and the grounding and grounded busbars were tied together. It had a main breaker located outside. This seemed to be the common setup within the complex when they were built...
  8. I

    Flickering LED room lights in a new house my son is having built.

    My son is having a new house built. The electrical wiring is almost complete but a problem has been detected. Some of the rooms LED lights flicker when lights in other rooms on other circuits are switched on or off. His electrician has not been able to find the problem. Some lights are on...
  9. Dvenable

    Is this asbestos wire??

    Renovating a 1950s pier and beam house. Do y’all think this is asbestos wire?
  10. SkiFreeYetiii

    How to make sense of this?

    Hello, I am trying to replace some lights in my walk in closet, I began with light 2 and before realizing how confusing this could get, I forgot to take a photo or label the 4 black wires. All other wiring is just as the electrician did it. My question is, how do I figure out how to wire my...
  11. T

    My question about the lightning rod

    There is a lightning rod on the house. But is it safe to use? Lightning can cause damage to, for example, a tree, destroying it completely. It's not stupid to attract lightning to a house with a lightning rod. In addition, the power of the lightning is so great that it is unlikely to be...
  12. O

    I need my panel upgraded but not my wiring.

    I need my panel upgraded but not my wiring.
  13. T

    Wiring a 3 prong 220 plug

    I am wiring a 3 prong 220 plug in a feeder panel with 12/2 wire. Should I hook the ground wire to the ground bus or to the neutral bus? The neutral bus is isolated from the ground bus and the panel box.
  14. DMcKanic

    Drill press modification

    I bought a drill press that has a on/off toggle switch. If I replace it with a two-way toggle, will that allow it to operate in both directions?
  15. Skiplndn

    What is the age of fuse box.

    What is the age of General Fuse box No,723607 Class-CTL???
  16. M

    Need to upsize subpanel supply breaker

    I would like to ask advice on a breaker size. Back in 2001 I turned my garage into a woodworking shop with several 240v machines. To power them I put in a 100 amp subpanel supplied by an 80 foot run of 4 gauge romex (two hots, neutral and ground) from the main panel under the house to the...
  17. B

    What kind of cable to run 400 amp residential service 625 feet

    Hello Everyone, I am building a new home in Illinois and will be running 400 amp service from the street where the main ComEd electrical line is located to my house. Here is the problem, or at least what im worried about, the house is over 600' from the main ComEd line. My question is, what...
  18. fanito

    Simple question about converting 240v to 120v

    Hey guys, need some advice, please... this is probably a dumb question but hey, want to make sure.... I am going to replace an electric cooktop that is 240v to a gas cooktop that runs in 120v for the "minor" things. Anyway, since I don't need the 240 jbox (no proper outlet but it is under the...
  19. aworldturns

    Mainline Attachment Break Advice Please

    This is off the mainline above the weather head. On the end the wire got pulled out after a tree fall. Was this a fix from a previous wire rip? Can someone suggest how I could go about fixing this or should I just pay the electric company to fix it? Im thinking just buy a new adaptor and...
  20. S

    Calculaton questions

    I embarrassed that don't remember this but swallowing some pride is sometime good for a person. I am wiring a 3 phase in-line water heater and the manufacturer lists the current draw at 177A. at 480 volts, (144kw). Would that be per phase rating or would that be just the total. I was thinking...
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