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  1. S

    Hot tub install

    So if the RA of 21ohms can,t be obtained the tub would be TT,ed,if outdoors? Regards,S
  2. S

    Kitchen refit - sockets moved from wall to units?

    Crimped but joints anyone?
  3. S

    Mr Nagy,s earth rod video.

    Just wondered if anyone has used this method with the earth wire in flexi conduit going to a plastic end box flat on the pavement outside the front door with the earth rod coming up thro centre of the box. Looks like a trip hazard to me. Regards,S
  4. S

    nicely fried - 9.5kw shower, not certificates for the job

    That's what I like about the Crabtree p/switch,50A rated and fixed to the ceiling before cables connected. S
  5. S

    Coffee Machines

    Thought double sso were rated at 20A. S.
  6. S

    Drill bits

    Have noticed with hole saws,it seems better if you stop and start the drill while drilling and always use oil.I mainly drill stainless,so mild steel is easier.Regards S.
  7. S

    Industrial distribution board

    Nobody like Wylex on here?Good quality and the main switches and rcbos are half the price of Schneider. Regards,S
  8. S

    3 Phase heating coil

    In delta each coil would be 5000/3 = 1666watts.So res of coil would be v squared/watts = 440sq/1666=116ohms per coil.If you say the single phase v is 220,3 phase should be 380v not 440v,unless its a wierd system. Regards,S
  9. S

    Bootlace crimps / cutters

    As a non panel wirer,whats the advantage of bootlace crimps over crimp pins? Regards,S
  10. S

    Spur off a spur.... make safe with 16A MCB from ring?

    There was reg that allowed a 16a mcb There used to be a reg that allowed sockets spurred off a ring final to be fed from a 16A mcb. Suppose it would work subject to volt drop and loop impedance etc. Regards S.
  11. S

    Electric boilers - how is this going to work.

    Gavin,how can a shower drawing 20amps be sufficient compared with a 10kw shower? Regards,S
  12. S

    Wiring For An Electric Hob

    They need a bigger supply(sometimes 32Amps) than a 13A plug can handle. Regards,S
  13. S

    trying to understand 3 phase motor/capacitor installation

    As others have said,the 3 phase motor must be connected in delta to work off 240v.The capacitor produces another phase.Live and neutral go to 2 motor terminals and the capacitor goes between live and the other motor terminal.Nowhere near as efficient as running on true 3 phase...
  14. S

    trying to understand 3 phase motor/capacitor installation

    According to my motor textbook,the capacitor for a 1 to 3 phase conversion on a 3/4 h motor is 30mfarad.It may be worth fitting a new capacitor if you feel confident. Regards.S
  15. S

    What’s the going rates for the below instalation

    Assume you mean a type S rcbo to discriminate against the 30ma in the bar?
  16. S

    EICR requirement prior to CU change?

    Be lucky to get £15 a cct around here(Yorkshire
  17. S

    New light fittings, no rcd

    Yes,had to wire new outside light so I fitted an rcd spur inside the house.There is talk on the iet forum that rcd spurs have a different BS number to normal rcbo,s and rcds,so there is some question about their use. Regards,SW
  18. S

    Can I use a 32 amp rcbo on a radial circuit.

  19. S

    Anybody make a 3 phase oblong board ?

    Thanks for all the help,will look into schneider and hager units. regards,Sw
  20. S

    Anybody make a 3 phase oblong board ?

    As above,I do work for a fabricator of hot food counters and they need a 3ph db to fit in a cupboard about 500wide x 300high.I have found a proteus unit,but would prefere another brand.In the past a din rail box has been used with mcb,s hard wired to a main switch,but I believe there is no...

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