potential

potential

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  1. JP0704

    Potential boiler issue

    Calling all electrical professionals / boiler tradesmen -WE NEED YOUR HELP! Every so often (twice in the last two days) when running the hot water in the kitchen it trips our electrics (downstairs lights, sockets, cooker and boiler) and cannot be reset for a good 20-30 mins. This only happens...
  2. D

    Breaker keeps tripping, potential ground fault?

    Hi all. We have a 120v 20 amp circuit to an accessory dwelling with a run of about 75' of direct bury #12. The breaker keeps tripping even when there is nothing connected to the circuit. What I've done so far: Checked all connections in the circuit(outlets, etc) Then, disconnected the...
  3. B

    Potential house purchase - current electrics setup and future plans

    Hi, I'm interested in a house built around the 1980's in Northern Ireland. I took a few photos of the consumer unit etc. which is situated in the garage. The house has a a double electric oven, 2 electric showers, an immersion water heater as well as all our usual electrical sockets spread...
  4. D

    Time Bell Cable Potential Usage Doorbell/Security Camera (USB)

    Hi, I purchased a Time twin strand bell cable with a rating of 12-30V, 2A, low voltage, not for mains use. I wish to use this for installing our new Ring wired doorbell. We don't have an existing doorbell wired setup so it would need to conform to a DIN rail transformer specification of 24Vdc...
  5. S

    Why did test lamps show 0V between live side and dead side?

    I removed a fuse and before reinserting did the following tests using test lamps. Live side - Neutral = 230V, Dead side - Neutral = 0V, Live side - Dead side = 0V. I then used a multimeter to check these results as I was expecting a potential difference of 230V between Supply side and dead side...
  6. kesterlester

    Are many potential uses of SWA **UNEQUAL** tee connectors illegal?

    It seems to be easy, these days, to buy fittings (often containing resin) that allow someone to tee into a pre-existing SWA cable. Some of these are equal tees, and some are designed so that the "new" branch cable has a smaller diameter than the main "through" SWA which was broken into. I'm...
  7. A

    Strange AC Potential

    I am trying to understand the underlying mechanics of why I am getting a voltage potential from a metal cabinet to my body. The electrical cabinet has an LED light fixture in it. I live in a very old house so there is no ground wiring. I was noticing a very slight shock when I brushed up...
  8. M-B-Electrical-Services

    Potential client sends pics that concern me

    Hi all. Just a quick question, for you guys. I have received a phone call today with a request to carry out a commercial EICR on a chip shop which has a flat above. I said I would send a quotation when back in the office to which she said "I'll send some pics". After receiving the pics, I...
  9. sythai

    High Ze causing headache !

    Hi Guys Any advice/ pointers would be appreciated 😉 Have ‘pretty big’ new build house we’re wiring from scratch. New supply in from DNO is PME, but we have Ze of 0.51 😕 Are DNO obliged to keep this under 0.35? Wouldn’t be that much of an issue normally if regular size house and meter was...
  10. N

    Approaching potential employers.

    Not looking for a job - well I am and would welcome any offers, but that's not the purpose of this thread. What I need at the moment is advice about what sort of approach is most likely to be well received by potential employers. I might have the opportunity to start a full apprenticeship this...
  11. N

    I need an indepth explanation of potential equalization

    I need an indepth explanation of potential equalization
  12. P

    Need help asap!!! Potential danger and idk

    Okay today my renter said she trying to unplug something from this outlet and somehow pulled the faceplate off. So I go up to investigate and this is what I find (attached pictures). Any suggestions? I'm confused how this outlet could have arched to anything. Also it looks as though it had...
  13. C

    92 volt touch potential

    I'm really confused by this engineering article. How can the maximum touch voltage be 92 volts on a 230 volt system when in theory it ought to be 115 volts or higher? https://www.gt-engineering.it/en/en-iec-standards/iec-60364-4-41/tn-systems Huh?
  14. HVManiac

    Is there a potential earth leakage or is it something else?

    I'm facing an electrical issue in my house since last Christmas. When the lights or appliance with motor in any room are turned off/on the TV would go out and come back on in a short span (as if the power went out and came back in a second). I recently had some mishaps where my two older PCs PSU...
  15. justcurioustwo

    Is the potential elec output worth the effort?

    I've run the numbers and I came up with a value. I need to know if its even close?
  16. T

    UK Advice needed please: Electrical set-up in 1950s/60s Maisonette - Potential Purchase

    Hi, I'd be very grateful for any advice/views available please on the electrical set-up in a ground-floor maisonette that we are in the early stages of purchasing, our offer having been accepted. We went to the property today to inspect a few things, and noticed a lot of electrical wires/boxes...
  17. T

    Combing two incoming municipal electricity supplies

    I've an interesting problem. I've got an potential client. It is a commercial property that used to be two separate businesses each with a separate 60 Amp single phase electricity municipal electricity supplies to the same building. The one company has gone bust while the other one has grown...
  18. N

    Potential hazard or not?

    We've had a safety memo sent out to us all today regarding a new type of compressor we are using. In a nutshell, its single phase, ran off a plug top to a rotary isolator on the unit. The L/N/E all go through the isolator, so.. when you switch off the isolator, you're switching the L,N AND E...
  19. H

    Potential job

    Got a lead on a job; they’re wanting metal trays (containment) with steel conduit to create the ‘industrial look’. I’m cool with their needs; explained about fire alarms/emergency lighting and they talked about doing it ‘piece meal’. With the area being used for a venue, it all needs sorting...
  20. Z

    I never install ring circuits, the potential for danger is unacceptable

    I’d like to know if anyone else here refuses to install ring circuits in domestic premises. For me it’s either a 20a radial / tree circuit with 2.5mm, or a 32 radial / tree circuit with 4.0mm. Frankly I’m tired of finding broken ring circuits on 32a CB’s, as well as mismatches on end to end...

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