circuit

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  1. A

    Help with a dead circuit

    I have a dead circuit in my kitchen that I am trying to fix. it seems to be a simple run from the panel to on outlet using BX cable to a first outlet and then a Romex cable from that outlet to a second outlet. I have identified every outlet, light switch and fixture in the entire house and...
  2. C

    UK Load in Amps on a mains single-phase circuit

    I have a 230 Volt single-phase circuit with a 100 Amp cutout fuse and a 100 Amp MCB switch, so the supply is rated at 23 kVA. Only about 13% of my total energy consumption is electricity. The remaining 87% is natural gas, supplying the following appliances (kW figures are net output power):-...
  3. C

    Microwave - 20A Circuit Required

    Hi everyone - new forum member here, looking for some guidance / advice before I try this myself or hire a certified electrician From Quebec, Canada. House was built in 2009, with everything seemingly 'up to code' -- previous homeowner spared little expense. The microwave in the kitchen has a...
  4. notsobrightspark

    ring circuit reading?

    hi guys , just testing a kitchen ring circuit. r1 1.6 ohms rn 1.6 ohms r2 2.1 ohms the kitchen is a 2.5mm ring but has spurs in 4mm cable and one small leg in 4mm (must be what was left on the van ) upon checking a figure of 8 test , im getting 1.6ohms when i was expecting 0.8ohms have i...
  5. gmdaly

    mixed cable types in single circuit

    good evening all, If I have an existing 10mm T+E from the CU to the rear of the house external ending in a junction box on the wall already in place (total length 9M) and I want to connect this to an armoured cable 2 core + CPC from the exterior junction box to a rear garden new future sauna...
  6. Jhon M

    Non-adiabatic short circuit current for cable screen/sheath BS 7454

    Hello all, I have a question please concerning the calculation of the non-adiabatic factor for screen/sheath with a case that is not mentioned clearly in BS 7454 If we have a cable with below construction: CU/SC/XLPE/SC/CU WIRES/LEAD/PE outer sheath As per BS 7454 paragraph 6, the formula...
  7. N

    Bad solder joint on circuit board.

    Hello all, I would greatly appreciate anyone's opinion this matter. Can this be repaired by simply resoldering? I'm concerned about the blackened area around the joint which looks to be burnt and also the wider discoloured area around the joint. Many thanks.
  8. lozarus

    13a S/O on 10a Circuit (Imposter Syndrome)

    I'm having a terrible bout of imposter syndrome here - I can't find anything electrically wrong with my intention - but it feels a bit off. Commercial (School), small annexxe with no socket outlets (this isn't unusual - I've seen ample amounts of both poor planning in schools and plenty of...
  9. G

    2010 Ford Taurus SHO - Low 5V Reference Circuit low voltage was fixed but back

    I could really use some guidance as I'm at my witts end... I have a 2010 Ford Taurus SHO with a low 5V Reference Signal (P0642). I first had this issue a couple months ago. I ruled out the three sensors on this circuit as I still had <1V with all sensors unplugged. I changed the computer but...
  10. D

    Feeding other rooms with bathroom outlet circuit

    My wife wants me to add an outlet in a large closet. It would be easy to feed the outlet from a bathroom outlet that is on the other side of the wall. However, I've read that the US electrical code does not allow connecting outlets in other rooms to a circuit that feeds bathroom outlets. Why...
  11. Harold Bradshaw

    PC Mainboard - CMOS Bios Battery Circuit

    I could imagine the CMOS Bios Battery circuits are quite similar on all recent mainboards. What does it look like and how does it work? Background: My mainboard started draining the bios battery (an ASRock H55M). I inserted a fresh battery with 3.3v. It only measured 2.9V when I removed it...
  12. Daniel DD

    Surge Arrester Installation and External Short Circuit Protection Device

    BACKGROUND I live in a small town where it is difficult to find ceritified electricians. In fact, electrician certification is not common for residential installations. I did find some experienced electricians but I don't think they are certified and know best practices in the installation. I...
    • Daniel DD
    • Thread
    • circuit circuit protection device external installation protection short short circuit spd consumer unit surge surge protection voltage drop
    • Replies: 1
    • Forum: DIY Electrical Advice
  13. J

    Circuit breaker keeps tripping

    15 amp Eaton breaker controls office and 3 hallway lights. 9 year old house. 200 amp panel.. Wind storm last week, breaker tripped. Re set it on, but it keeps tripping. Figured it was toast, so ordered a couple new breakers. (None in stock locally). Pulled an identical breaker from the panel and...
  14. M

    Light circuit off at consumer board - but RCD / RCCB still tripped

    Hi I'm removing an extractor fan from our WC, as it's just a toilet and sink and we never use hot water in there anyway... The extractor is on the light circuit, but has it's own pull cord. I double checked by turning the fan and light on, then switching off the MCB. All good. I triple checked...
    • Max Rasa
    • Thread
    • board circuit consumer consumer board light rccb rcd still tripped
    • Replies: 12
    • Forum: UK Electrical Forum
  15. F

    Adding sockets to a radial circuit in different directions

    Hi. I have a radial circuit supplying electricity to the garage (part of the house). It's on a 20amp breaker, uses 2.5mm cable. It currently only supplies a single socket. Before anyone asks, its 100% a radial circuit. 6 months ago I had an electrician install a new consumer unit, and the...
  16. J

    Seperation of circuit breakers in panels?

    I have a question around equipment & electrical separation of circuit breaker grouping that I want to reference against the Regs book. Initially believed this could be covered off by using 528.1 Proximity to electrical services (BAND 1 & 2 cables etc) Client has mixed circuits of 230V, 110V...
  17. ericlime

    Fluorescent Light Circuit For 4 T8 Tubes. Advice needed

    Hi, I've got 4 T8 tubes: 4 Foot Fluorescent Tube 36W 950 Graphica Pro 36 Watt-Philips [Energy Class G] And I want to make one bank light out of them. Something like that But there's so much confusing info on in the internet, that I'm even afraid to ask all those questions that cross my...
  18. E

    Hob and hood on same circuit

    Hi There, I am hiring an electrician shortly but so far have received conflicting advice so looking for clarity before I spend my money. Can a socket for a kitchen self circulating hood and under cabinet lights be on same circuit as hob according to UK regulations? Any advice appreciated.
  19. Calebp43

    Why ring circuit on 32amp??

    So the CCC of 2.5mm is 27 amps clipped direct. So a ring would be 54amps altogether, yet is put on a 32 amp breaker. I understand that the legs could be balanced.. bit if that's the case then why draw the line at 32, why not 40? Let's say I'm at a job and there 32 amp breaker is overloaded on...
  20. W

    Wiring of ring final circuit

    Always ask fellow sparks this and always get different answers, what do you feel the quickest way of wiring a ring in say a flat for example. Do you piggy back it round getting your 2 legs into each room before dealing with the wiring of the sockets in each room. Or do you just wire to each...

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