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  1. M

    Hey guys, what does for example 300A rating on a 3 pole MCB means?

    Hey guys, what does for example 300A rating on a 3 pole MCB means? Does it mean each phase carries 300A i.e. (Current in R=300A, Y=300A, B=300A) or it represents total currents in all the 3 phases i.e.(Current in R+Y+B=300A)? Please assist, it is confusing me a lot with my calculations of...
  2. J

    Double pole or Single pole + Neutral for domestic extension supply?

    I've been carrying out quite a few domestic extension first fixes recently which involves providing a power supply installed from the properties mains. I have always just Henley blocked from the properties main consumer unit tails into a 63/80/100A BS-88 fuse Main switch board then from the...
  3. S

    Dimplex Quantum storage heater 150 - keeps melting 20amp double pole switch

    Had a quantum (qm150) installed for 8 years - no problem. Couple of weeks ago the switch (usually always on except when on holiday) stuck and no power to heater. Had a look at switch and saw it was melted where the N wire goes in. Bought an exact replacement (B+Q) and replaced myself with the...
  4. P

    voltage drop running 50 amps 350 feet from service pole.

    hello. i need to run power to a cabin that is 350 feet from the service pole in our driveway. the problem is voltage drop. the service pole is 150 feet from the transformer so total run is 500 feet. is it possible for a diy'er to purchase a small transformer that would bring the voltage up? (i...
  5. P

    11kv pole loop fault, over voltage ?

    Hi first post, I'm a pretty well experienced electrician of 15 years now working solely in Agricultural electrical We have a lot of voltage sensitive equipment on our farms which run auto ventilation and alarms ect Today we had a huge bang from the 11kv pole transformer on one of our sites...
  6. N

    Replace double pole light switch with smart switch

    Hi I have a double pole switch that switches on and off the outside lights under guttering area (front side and rear of the house all operated by this one switch). I see 2 Live cables in L1 and another red non-Live cable in L2 which becomes live when the switch is turned on. There are 2 black...
  7. S

    LOOKING FOR MCCB'S 4 POLE ONLY

    WE ARE LOOKING TO PURCHASE ANY MERLIN OR SCHNEIDER 4 POLE MCCB'S FROM 100 AMPS TO 1600 AMPS CASH PURCHASE - COLLECTION ARRANGED - WE LOOK FORWARD TO ANY REPLIES.
  8. H

    Installing Ceiling Fan with Lights via Single Pole Switch?

    So I am trying to install a ceiling fan with lights, there is a switch location closed with an empty plate and ceiling fan point installed. When I open switch location, can see there are total 5 wires, 2 black, 1 red and 1 ground - white ones are already connected to each other. I am...
  9. z323791

    how to convert Positive Pole to Negative

    My PMA has three positive AC poles is there any device which I can use to convert either pole to negative Thanks
  10. P

    Adding single pole switch

    I am trying to install a new fixture and want to bring power to it by adding a single pole switch to a box containing another single pole switch. I believe its the end of the circuit as both black and neutral wires are hot. How do i add the new switch to it? I made pigtails, ran them from the...
  11. W

    double pole or single pole rcbos

    What is everyone's thoughts on double pole rcbo's vs single pole, I mostly use Fuse Box these days with the odd Hager board if i'm feeling flush. I usually use the single pole fuse size rcbos. recently I tried the mini double pole rcbos but for the extra cost I think I will go back to using...
  12. w0z

    Recall: Proteus Switchgear - 100 Amp Double Pole Isolator - which might not isolate.

    Disconnect once check twice..(or more) Found HERE at Trading Standards Risk level Serious Risk type Electric shock Risk description The fault was identified during routine installation process which includes a test. It was found that the switch did not isolate the circuit. The product does...
  13. Cajun_Country

    Temporary power pole question

    I am trying to set up a temp power pole for new construction home. I have everything pretty much laid out, but started questioning the connection from the meter to the load center. I have a 125 amp meter socket and a 70 amp square d main lug load center with 20amp breaker to power gfci...
  14. D

    5 x For SaleCrabtree Curved Double 2 Pole 2 Gang Switched Sockets CR1307/D Clamp Connect £13 Plus £3 P&P

    5 x For Sale Crabtree Curved Double 2 Pole 2 Gang Switched Sockets CR1307/D Clamp Connect £13 Plus £3 P&P
  15. S

    New pole barn wiring help

    Hey all! Just got a new pole barn installed and have a few questions regarding getting power to it. Don't worry! I am planning on hiring a professional I just need to get a game plan for the budget and expectations. I will start with some basics. 200A main panel on my house with 9 open...
  16. J

    Making 10/2 w/o Ground Pole Barn Subpanel Safer

    We have recently purchased a home in TX built in the 1920s, and the wiring is an assortment of multiple wiring events. There aren't any local codes as it is unincorporated land. The events in question are with the overhead wiring to the pole barn subpanel consisting of two 10 gauge solid-core...
  17. matt1386

    For Sale WYLEX 4 POLE ISOLATORS ( REC4 )

    Hi all. I have approx 10 of these isolators for sale. All new and in the box £32 each inc postage. Payment via bank transfer preferred. Please PM if interested Thanks
  18. S

    Identifying single pole wires for smart dimmer

    This should be simple... Master bedroom has a single pole switch leading to a new and perfectly working fixture. I'm trying to install a Feit smart wi-fi dimmer for it. The switch box contains a top cable with a black, white, red & ground wire and a bottom cable with a black and white cable. The...
  19. Riatsila

    UK Is double pole switch necessary in this case?

    Hi all A friend bought an extra control switch for his winch so that he'd have controls at upper and lower levels during building work. His problem was that the new switch was single pole while the switch in the original control unit was double pole (both double throw, centre return). However...
  20. J

    Using double pole RCD

    Is there anything preventing us from using these type of RCDs for a 55-0-55 circuit? the picture shows the original set up.

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