disconnect

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  1. L

    Plug socket disconnected live wire.no power to rest of sockets. Should I reconnect this wire?

    Hello, I’ve recently purchased a house, I noticed none of my plug sockets in one of my rooms are working including a switch for the outside garden light. After some investigating I found one of the sockets to have had the live wire blanked off . Am I right in assuming that this would break the...
  2. E

    60 Amp fuse Disconnect for a 50amp outlet

    Hi, can a 60a AC disconnect fuse box with 2 class K busman 50amp fuse work as a disconnect near the outlet ? Or would it need to be an actual breaker box, like an outdoor SPA GFCI breaker box? The AC box says compatible with class H fuses. Class k and h are the same size.
  3. 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...
  4. 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...
  5. A

    Safely disconnect battery string

    Hi All, I'm moving into telecoms and looking for some help on disconnecting battery strings. I come from a domestic background so have not got involved in battery strings before as I never touched solar. My questions is thus: How do you safely disconnect a battery string that is housed in a...
  6. C

    Disconnect for electric tankless water heater

    I'm installing a Rheem Retex-27 27kw electric water heater. While it's not required by the code where I am, I'd like to have a disconnect switch for it. It requires 3 40A double-pole breakers with obviously 2 wires for 240V coming from each, so total 6 gauge 8 wires plus ground coming to the...
  7. P

    (USA) 4/0 SER from Meter to Disconnect

    Just got here, and I'm not sure if this question will make sense to UK folks, or if there are any USA folks here at all. Anyway: due to supply issues, I can't find any 4/0 XHHN or THHN. I'm trying to connect my meter to a 200 amp disconnect. Can I use 4/0-4/0-4/0-2/0 alumin(i)um SER cable for...
  8. C

    Why breaker didn't trip:

    I work in maintenance for a major chemical company. We had a water softener line break above a compressor. The disconnect for the compressor was filled up with water. (There is a window in the front of disconnect) We could see the water boiling inside the disconnect until we shut off the...
  9. H

    Fused spur tv connection how to disconnect

    Hi I've tried some intense googling on this subject but I think I have the terminology wrong and also don't understand it so can't get an answer. Years ago an electrician installed a wall mounted TV for us and cut the plug off the TV connecting it into the wall I believe via a fused spur (?!)...
  10. E

    Fuse missing from main disconnect panel

    Hi there, I run a recording studio out of an early 50's built warehouse. I've been having electrical noise and ground loops in my audio equipment since I've been here (almost a decade) and I've finally decided I can't deal with it anymore. I'm going to install a new main panel as well as new...
  11. gmdaly

    log tables for actual disconnect time

    Hi, could someone tell me how to calculate the actual disconnect time from a log table and where I can find this table for a 6A RCBO made by British General. I need this to get a meaningful CPC CSA using the adiabatic equation. Many thanks, g
  12. M

    ECU Quick Disconnect

    Built a sand rail with the engine and electrical from a 1993 pontiac grand am. Using the stock ecu and installed it in a small pelican gun case for protection. The ecu has 3 connectors with about 30 wires (originally had more, but I simplified the harness and removed systems/wires I don't need)...
  13. A

    ad sub panel to house main disconnect

    I'm new here and want to learn. I have a project I want to tackle but if it is above my means I will call an electrician. I have a main disconnect panel on the outside of my house. I want to add from it a sub panel to feed my pool and shed and also an outlet. I did some searching but still not...
  14. I

    1st vs 2nd point of disconnect in an older house with 3 wire service (2 hot and 1 neutral/ground)

    TLDR: In a 3 wire service are the ground and the neutral always bonded, in all subpanels? House made in 1970 has the meter and a 150 amps breaker outside the house, on the east wall. There are two hot wires and one neutral, which is clearly bonded/grounded with the enclosure. Through the attic...
  15. g3nt73m4n

    Using disconnect switch over its operating current Ie

    Hello, What happens if we use disconnect switch over its operating curent Ie? For ex. If our circuit is motor circuit and current range is 140A. We need to use 160A. But we used a disconnect switch with operating current Ie as 125A not 160A. Making and breaking capacity of a disconnect...
  16. S

    Need expert advice about disconnect DIY

    Hi all, I'm a newb, hope I'm in the right spot. I've done a good deal of basic wiring over the years (lots of home renovations and such) and am trained in HVAC, but I'm not an electrician. I have a DIY project - installing power to a dock. I'm drinking from a fire hose and trying to learn about...
  17. W

    How to disconnect a Lucas Rists 1988 connector?

    Looking for advice. I've spent the last three months diagnosing an electrical issue on an SZ series 1988 Rolls Royce Silver Spur and have located the suspect wire on the starter circuit. I've got two questions: 1. Can anyone advise me on how to get a wire disconnected from an old Rists...
  18. T

    Buy Solar battery storeage then disconnect it?

    Hi, I wish to buy discounted solar battery storeage, eg Powervault. https://www.powervault.co.uk/ I can get £2k discount if i agree to "grid-flex", in other words, i connect it to the internet, and let the power company sometimes have control of my battery, and then they can sometimes...
  19. ddxact

    Hot Disconnect Switch

    Hi, I just wired a garage electric car charger (EVSE). The EVSE is configured for pulling 32 amp (240V) maximum, and directly connected. I am using 8-gauge copper THHN wires (2 with ground) run inside 3/4 EMT conduits about 30 feet, and then the rest with 8/2 romex in the basement for another...
  20. R

    Power connection of unknown source connected to outdoor light.

    Power connection of unknown source (prob socket spur) connected to outdoor light. Can i disconnect the existing light. Connect up RCD plug and then connect a switch to control a new outdoor light like pic
    • Rayserb
    • Thread
    • connect connected connection disconnect existing light outdoor plug power rcd source switch
    • Replies: 5
    • Forum: DIY Electrical Advice
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