check

  1. O

    Cable size check please

    Hi we are quoting for installing the main feed for a public swimming pool , its a 3 phase install with 3 no. 300 AMP main fuses . we will be installing a 315 3pn switched fused isolator then SWA on cable tray at a distance of 25 mtrs to the main board , i have allowed for 240 mm2 cable with 70...
  2. Soulsurfer

    Testing issues !

    long story short, Pre-rip out test really old install, TN-S,16mm tails, 6mm main earth ! Ze was 0.22 ohms and 1.2kA fault current. DNO been up this morning to connect new tails 25mm I supplied through switch fuse and 16mm earth. Fit board new, go to check Ze and get 0.00 ohms ! PEFC 10.0kA &...
  3. G

    volt sticks

    Hi folks,i Admin over at the plumbing forum,quick question regarding volt sticks,in this case a Fluke brand,now i fault find boilers so am very conversant with a multi meter ,however i use a volt stick to check boiler cases and pipework,on checking the spec on the fluke they go down to 100v,as...
  4. R

    What are CEF like for prices?

    What are CEF like for prices, my work has an account for them, but the account is held at a different branch to the one we use. Just want to make sure we are not paying silly prices as they can't give us a price for parts unless they phone the branch we have the account with apparently. Is it...
  5. J

    price check- domestic

    Loft and kitchen extension plus some renovation in exisitng London no making good brushed chrome raised edge with brushed chrome LEDs downlights Basement Install 1x 15way dual RCD metal MK consumer unit Install mains gas and water bonding Testing and certification on completion and after...
  6. L

    Cable bending radius

    Hi, Is anyone got a table that shows minimum bending radius for cable. I wanted for HV armoured cable bending radius calculation? Regards, Laxmi
  7. Dan

    Anybody Check This Out?

    http://www.electriciansforums.co.uk/find-new/23204/profile-posts
  8. P

    Zs Testing Tt

    Hi Guys Job - semi detached with a TT earthing arrangement. I used the Z loop function on my MFT to check the earth at the DB. Reading 164 ohms - ok. Same reading with earth reconnected. However if I do the same test with the Zs RCD function, I get 204 ohms. Why? Do I have a MFT fault? I need...
  9. O

    6A RCBO for this Legrand?

    Hoping to save some time on this! Need a 6A RCBO to fit this Tenby / Legrand board - anyone know if they are readily available? Thanks
  10. L

    Motor starter inspection

    We have a motor starter for a 1.5kw motor that have both been out of service for around 5 years. We plan on bringing this motor and starter back into service. My question is, is there an official checklist with certification to a standard such as bs7671? For this fitness for service inspection...
  11. G

    Off peak, one board

    Friend of mine has had a large bill in his flat there is a panel heater in the bedroom and a storage heater in the hall way. Witch heats the whole flat tbh. there is only one board so I assume the meter flicks over to off peak and all electrics are cheap rate at night is it easy to tell a...
  12. J

    Testing a UK plug for continuity with a multimeter?

    Hi, I apologise if this is in the wrong section, but I did not see a specific forum for help. My induction hob has packed in today, it simply won't turn on. There is simply no power to it. It is around 1 year old. I have changed the fuse with one that I have taken from a working appliance, no...
  13. uksparks

    Check this out

    Hi, I was driving home earlier in the car, and saw this bloke walking along dragging this massive cross.... Bit weird isnt it.
  14. P

    CU with a Left Hand Main Switch

    Hi Guys I'm wanting to replace an old 8 way consumer unit which is above the kitchen cupboards. I've limited height of 233mm. All cables are top entry but the tails are to the left of the rest and no doubt won't move. Anyone know of a Amd3, dual RCD unit , min 8 ways, max 230 mm height, left...
  15. Gazthesparky

    Will you check over my calculations

    Hi Guys I would appreciate someone just casting their eyes over my calculations. I carnt decided what to do I'm doing a kitchen renovation and existing 6mm 32a supply but I don't know whether to upgrade to 10mm and 40a breaker as the volex unit doesn't do a 45a Diversity comes out at 22amps...
  16. J

    something is sucking my battery down!!!!

    I put a new alternator and battery on my 99 f150 and something is still killing my battery.i just bought this truck so i decided to pull radio to check wires,there was alot of loose bare wires back there.can that cause a short and drian a battery over night?
  17. A

    currently 2 phases in venue unable to upgrade to 3 phases

    Hi looking for some advice I am about to start a commercial job in a rural area the venue is being totally renovated it is a 30 bed hotel which is being extended will have 2 bars large function room a large commercial kitchen and a spectate motel in the future. The venue is only supplied on 2...
  18. I

    Flashing orange LEDs turn on and off randomly.

    Hello all. I work at a rescue boat and we use a converted Thwaites 5 ton dumper truck as our launch vehicle. It has orange flashing LEDs on the front but sometime they will just turn off. Obliviously theI sea water has its effects on the tractor but it seems at low rpms the lights turn on and...
  19. vxwestie

    Voltage continuity tester

    Can anyone recommend a good voltage and continuity tester? Nothing fancy but audible continuity test would be handy. And perhaps with a carry case? The NICEIC assessor wasn't too impressed 18months ago with the state of mine and I must be due a assessment again soon..... i think it may have...
  20. M

    Quick installation check?

    Hi guys, just want a quick sanity check on an installation. a chap wants 3, 3Kw heaters wired with a programmable thermostat to control all 3 heaters. my thoughts are: 40A supply to a Contactor ( L-1, N-3) heaters connected to the contactor ( L-2, N-4) then a Perm live to the thermostat...
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