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  1. S

    Correct RCD switch?

    The RCD switch in my small consumer unit in my shed is a 25A 30mA RCD. The switch is knackered but I've found an old one I've had from an older board. It's a 40A 30mA though, is it still ok to use this? Although the supply is only 4mm it is protected by a 32A MCB in the domestic mains board. The...
  2. T

    What circuit to test?!

    Went to a mates new bungalow as he wanted me to cast an eye on his electrics to make sure all is ok, (didnt want a EICR). It is generally in a good condition, correct earthing, correct selection of MCBs, RCD etc but the lighting has no CPC. I explained the options but he wants me to re-wire...
    • Thomps
    • Thread
    • circuit circuits correct electricians' talk lighting responsible results test
    • Replies: 1
    • Forum: UK Electrical Forum
  3. kingeri

    Correct cable for SELV circuit

    Hi guys, at a job tomorrow and looking through the spec. Bathroom is to have 12v SELV downlighters (not sure why). What cable is best to use for the run between trannies and lights, i.e. the 12v parts of the circuit? It's been a while since I've had to deal with these, as I don't recommend...
  4. K

    16kw 3 phase load. do I NEED 4 OR 6 SQ CABLE? Thank you

    16kw 3 phase load. do I NEED 4 OR 6 SQ CABLE? Thank you
    • kerryblue
    • Thread
    • 3 phase cable calcs correct electricians' talk load phase thank
    • Replies: 16
    • Forum: UK Electrical Forum
  5. M

    Megger 1720 with correct firmware, sucess!!!!!

    Hi all, was very sad on thursday, picked up my megger 1720 which had old firmware on, V1.01, hence would trip rcd, rcbo's out on low setting loop tests, wasnt impressed at all, took it back and got another one with firmware V2.05, works perfectly very happy now, thanks for those who replyed to...
    • mickytuff
    • Thread
    • calibrated correct doing electricians' talk firmware megger
    • Replies: 7
    • Forum: UK Electrical Forum
  6. F

    Wiring Advice for Garage RCD Needed

    Hi all, I am looking to replace a very old and rusty RCD unit with a modern day unit. The old unit is different to the new one and I would like to be 100% sure i have the wiring correct. The situation i need explained is this: 1. I have the mains coming into the unit 2. I have a 2 way...
    • Frankie79
    • Thread
    • advice correct electricians' talk garage mains needed neutral rcd socket wiring
    • Replies: 56
    • Forum: UK Electrical Forum
  7. C

    Newbie question... garage circuit connected to ring final circuit.

    Hi, I am studying for me 91 and am currently practicing on my home. I have found that my garage circuit consisting of a small 2 way CU with 1 of each; ring and lighting circuit (no RCD). I expected to see this circuit connected to the main CU through its own CB but in fact it is connected to...
  8. S

    Megger 1730 have I done the correct thing?

    Hi firstly I'm new to the forum and understand there will be a few topics in the past on this so sorry in advance. Iv just bought a new test meter and it comes tomorrow having a job to test later in the week. My old boss has always used Metrel testers and they seemed great but I always fancied...
  9. P

    polarity testing

    hi guys, when testing to confirm polarity of swa going from house to outbuilding. a. why is it necessary b. why is it carried out before the installation is energised
  10. K

    DNO 1st Notification Help/ Schematic Drawings

    Hi All, Wonder if you can help me, we have only just become MCS registered and we have our first Solar PV installation planned next week, this is a 4kw but we are using a 3.6 Powerone inverter and it is capped at 16 amps, am i correct in saying that i dont need to prenotify but i have to...
  11. i=p/u

    have i got correct testing forms

    the house im working on at moment has had a conversion to attic, i had to change the board for extra ways.. do i use eic for new circuits and eicr for existing circuits or can i put on one eic and comment on what happened , i.e changed board for extra ways
  12. J

    Correct application of diversity, separate hob/oven on single feed.

    Hi,he What is the correct application of diversity, when a separate hob and oven share a single feed. As far as I see it, electrically they are the same as a free standing cooker - or does a cooker have a limiting mechanism to prevent all circuits from working at the same time. Hob is 6.7kw...
  13. I

    Correct Procedure For Fault Finding On An Immersion Element

    Lads Can anyone please tell me the correct procedure for fault find on an Immersion Heater Element?? Does anyone have a PDF or give me a laid down procedure Regards Chris
    • irishsailor
    • Thread
    • between check control correct earth electricians' talk element fault fault finding finding heater immersion procedure
    • Replies: 12
    • Forum: UK Electrical Forum
  14. C

    the correct way to wire a 63 amp rcd

    hi im new to this and just started a course with train for trade skills i was hoping someone can help in my situation at home, ive just built a workshop and fitted a consumer unit with a 63 amp rcd a 32 amp mcb a 16amp mcb and a 6 amp mcb at the moment only the 32 for sockets and 6 for lights...
  15. S

    Commercial kitchen

    Am I right in thinking metallic worktables and sinks do not need supplementry bonding ? There all free standing and not fixed down in any way. Power is 30 mA protected. Thanks
  16. G

    Fuse Finder.

    Evening chaps, Can anyone confirm wether or not this unit is actually any good i.e, does it actually do what it says on the tin??? Martindale FD600 Professional Fuse Finder Kit I have some investigation works to carry out in a very sensitive environment and need to be 100% sure before I knock...
  17. J

    2 ovens 1 circuit?

    I've been asked to run in a supply for 2 2.8kW fan assisted ovens (none of them have hobs) but there is only 1 spare way on the main board, if it was only 1 oven 2.5mm would be big enough as well as a 20A fuse but as I need to supply 2 using 1 MCB I'm a bit weary as to how to do this safely...
  18. J

    Am I using the correct size MCB?

    Was asked to run a supply for a 2.8kW fan assisted oven (no hob), I done some cable sizing and voltage drop calculations as well as adding 50% overload and found I could do this using 2.5mm twin and earth cable. I also found I could use a 20A MCB as well but a friend said personally he'd use a...
  19. i=p/u

    finding the correct switch

    i was sent to tidy up the testing on friday, i.e fire alarm, and distribution circuits i forgot about etc. i was also told to test the new cu out on the jettys of a marina. i opened panels and asked for past test sheets etc and know one new where the mcb controlling the cu out on jettys was...
    • i=p/u
    • Thread
    • correct electricians' talk finding leads switch testing
    • Replies: 4
    • Forum: UK Electrical Forum
  20. M

    Correct way to install an earth rod.

    Hello people. This week I've got to install a rod at a property where the gas is being used as the main earth. I've installed them before for temporary generators etc but never done a permanent one. I'd be grateful if someone with more experience could help. The house is surrounded by concrete...
    • Millboy
    • Thread
    • correct earth earth rod electricians' talk install
    • Replies: 21
    • Forum: UK Electrical Forum

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