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  1. R

    How to choose the right 3 pole isolator

    Hi guys, i need abit of help here I have a 3phase, 440v, 50hz, 1.7kw squirrel cage motor. I need to know how I can calculate and choose the right boxed rotary isolator switch. From my calculations I would do P➗V which equals 3.86. Now this is where I come stuck because it's 3phase do I now...
  2. E

    4 Pole RCD/TD replacement

    Hi can anyone tell me if a Protek 4pole RCD incomer will fit a Crabtree loadstar 3 phase panel as an incomer please?
  3. mrloy99

    triple pole mcb rip off

    how come the wholesalers can rip us off to buy a Triple pole mcb it is over 50 quid,but to buy a single pole one can be one pound fifty....To me it just looks like 3 single poles with a wee bar linking them,no further electronic wizardry? I could be wrong,
  4. K

    Is 20A double pole switch sufficient for total load rating of two ovens?

    Hi there, I'm installing two ovens, each with a total load rating of 3.5kW. (see details of oven here). The kitchen already has a 20A double pole switch and a 45A dual outlet plate. Is the switch sufficient because I've calculated that the current is likely to exceed 20A? However, I'm not sure...
  5. W

    Single Pole Phase Test??

    Hello Forum, I am doing some testing on a ceiling rose. I am using a ‘Fluke T50’ tester. When the circuit is live the arrowed L.E.D. lights up, buzzes and the voltage is displayed. When the circuit is isolated at the consumer unit, i.e. m.c.b. turned off and I touch the red (+) probe to the...
  6. W

    Single Pole Phase Test??

    Hello Forum, when the circuit is live the arrowed L.E.D. lights up, buzzes and the voltage is displayed. When the circuit is isolated at the consumer unit, i.e. m.c.b. turned off and I touch the red (+) probe to the line conductor the arrowed L.E.D. lights up and buzzes. Why does it do this and...
  7. K

    Starting 2 pole motors

    Hi, I'm a newbie here and I need help with starting some 2 pole 20KW motors, can I still use the normal 22KW DOL starters or is it better to upgrade the starters because of the larger starting current - any advice would be gratefully received, Thanks kjwudsph
  8. L

    4 pole mccb

    Hi all just wondering if anyone knows if it would be possible to feed two single phase supplies through a 4 pole mccb? thanks gary
  9. N

    Double pole isolator

    Hi all, Iv got the DNO replacing the incoming overhead supply cables tomorrow, I am going to ask to put isolator switch in after the meter. Any advice on best one to get, there's not a lot of room where the meter is so smaller the better. Thanks.
  10. W

    4 pole Isolator on a 3 phase system

    Hi guys, Again, its been a long time in between posts for me. Taken a new direction in my job role and been focusing on other things. Frankly trying to do less and less electrical bits and bobs and i frankly feel less and less comfortable doing it as its all getting pretty heavy here and I just...
  11. L

    Schneider 3 pole 63a breakers

    Someone might be in need of a couple of schneider breakers that i dont need... Schneider MCB C Type 63a Amp 25680 C60HC Triple Pole ebay link: http://www.ebay.co.uk/itm/141025728245
  12. E

    Taking a perm live and neutral off the feed side of a three pole fan isolator

    As in the title, when putting in a new set of lights in a house i ran the perm live, earth and neutral down to the switch then ran switched live and neutral up to the lights. Is this bad form? I know it's not unsafe. Just wondered if you thought it was rough. I thought it was industrious as I...
  13. D

    solo 332 and pole

    anyone got a spare one of these lying around they want to flog, I need to buy one as the miserable gits are complaining of the smell emitted by my canned smoke, I need the larger one coz I am going to stick the tenants head in it and I am testing aico most of the time also need cans of smoke if...
  14. H

    4 pole rotary switch

    hi all i am new member and need help.I have to connect 4 plugs to one rotary switch so that one plug can be active at a time and three remain disconnected and when rotary switch moved to position 2 second plug became active and other three inactive.Please advise whether i need 4pole 4postion...
  15. B

    Schneider C60HB 3 pole 63A MCB

    Can I connect the meter tails into the top of this MCB and the load cable (SWA) out of the bottom. The MCB is not marked for in and out and I cannot find any info on Schneider's web site indicating this is not possible.
  16. D

    4 pole vs 3 pole switches/breaker

    For a LT panel which have two incoming 5000A ACB from 3phase, 3MVA Dyn transformer & 630A ACB from 3 phase, 250kW Black Start DG set and have several outgoing 3 phase, 100A-300A MCCB for remote distribution panel and have some single phase load. Could anyone pls advise which type of 3 Pole or 4...
  17. B

    Flag pole lighting

    Hi people, have been asked to provide a quote for installing a light on the roof of a commercial property to light up there flag. Can anyone advise on the best light for the job? Been looking at Halide, Sodium and Halogen. thanks​
  18. O

    Question regarding 4 pole MCB

    Hi all, 63A 4 pole MCB is it mean that it will trip when the total current of the 3 phase supply exceed 63A? Or it will only trip when only any of the phase current exceed 63A?
  19. D

    SP&N isolator and double pole isolator

    Can anyone describe between SP&N isolator and double pole isolator?
  20. S

    Socket outlets, single pole or double pole?

    Have seen two types of double gang socket outlets, single pole and double pole. Not sure what the difference is. My guess is one is for use on a spur and one for a ring final but would like a definitive answer. Thx

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