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  1. ste mac

    Naughty naughty.

    It is a SWA gland where the cable attaches to the metal clad CU. The solar PV installer has cut away the outer sheath from the SWA to fit a BS591 clamp onto the armour instead of just retro fitting an "earthing nut" or a banjo washer.
  2. ste mac

    5A 3-Pin Sockets

    I could also be looked at as 1 lighting point and therefore be assumed to realistically carry a max 100W lighting load or about 0.5A load well within 5A.
  3. ste mac

    Water bond to earth electrode.

    Yes it an exported TNC-S via the SWA armour. I would have difficulty in changing it to TT now since a new solar PV installation is using this cable to feed back to the main house and incoming supply. (see my other thread "Naughty naughty")
  4. ste mac

    Naughty naughty.

    Found this today during a PIR. This was part of a recent solar PV install. Was it too much to ask to install a banjo washer on the SWA.
  5. ImageUploadedByTapatalk1321915431.485745.jpg

    ImageUploadedByTapatalk1321915431.485745.jpg

    • ste mac
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  6. ste mac

    Water bond to earth electrode.

    On a domestic job today and came across an unusual bonding setup. The main house is TNC-S, supply to remote home office via SWA cable. The remote building has an oil fired boiler and the copper pipe work has a 10mm bond cable going out through the external wall to an earth electrode. The...
  7. ste mac

    good drill for chasing advice domestic

    I have the Bosch GBH 2-26DFR. It has quick release chucks for SDS or keyless, good power, 3 year warranty. And I would also recommend a SDS scutch chisel, just about the best bit for chasing & sinking.
  8. ste mac

    Where can I get a modern version of this?

    Both Hamilton & Wandsworth will make bespoke switches or sockets in what ever finish & style you require, but they aren't cheap.
  9. ste mac

    diesel leaking from car i bought

    Big self tapper and a fuel resistant rubber washer:clap:
  10. ste mac

    Connecting SWA to regular flex.

    Could you put the SWA into a suitable box - SPELSBERG|806-407|IP65 ABOX JUNCTION BOX | CPC filled with compound, with this mounted on the side - BULGIN|PX0765/S|SOCKET FLANGE MOUNT 3 WAY | CPC and then use one of these on the pump cable - BULGIN|PX0731/P|PLUG, SEALED FREE 3 WAY | CPC
  11. ste mac

    ELECSA Certification Scheme Elecsa Annual Visit

    Send them an invoice, they would charge you a cancellation fee!!! £234 for cancellation within 21 days of assesment. Full assesment fee for cancellation within 2 days of assesment.
  12. ste mac

    Backboard for Electricity Meter

    You could try one of these:- TRAC LIGHTING|MB1|HEAVY DUTY METER BOARD 18" X 12 | CPC TRAC LIGHTING|PL06709|HEAVY DUTY METER BOARD 24" X 18 | CPC Doesn't say if they are fire resistant, but they are the correct product for the job. The last two "in wall" meter boxes i installed both came...
  13. ste mac

    Metal theft 23/07/11

    Another Chav metal thief:- He Danger of death notices obviously dont deter people either:- Teen Electrocuted In Cable Theft Attempt - Yahoo! News
  14. ste mac

    calculating Zs with only R2 reading

    You would enter the highest r1 + r2 measurement onto the cert, whether that is the ring part or the radial spur part of the circuit. It is just the same as a spur from the middle of the ring, the mcb is classed as just another cable junction. If you were to split the ring at a plug socket for...
  15. ste mac

    60 amp feed for a HOT TUB

    Does it definatley need a 60A feed? My hot tub runs on 4mm SWA and a 32A MCB. It is a canadian hot tub. In the instruction manual it states - "Americas 60Hz - 240v. Circuit breaker - 50A. Number of wires - 4." "Europe 50Hz - 230v. Circuit breaker - 32A. Number of wires - 3." This seems to...
  16. ste mac

    calculating Zs with only R2 reading

    Yes it is possible, but how can you be certain that the Zs is correct unless you actually test R1, R2 & Ze. Why don't you have a Zs measurement or all the required measurements to calculate Zs?
  17. ste mac

    Price On Scrap Cable

    Braziery copper is the soldered joints, if you cut these out and weight them in it is braziery and the pipe becomes clean copper = better prices!
  18. ste mac

    5A round pin sockets

    How do we stand with using the round pin 5A sockets on a lighting circuit with a 6A MCB? Will the sockets be classed as overloaded (probably only under fault conditions) due to being protected by a 6A MCB? Is the only way around this to place a fused spur before each 5A socket or would it be...
  19. ste mac

    Car 12v amps -- help!

    You are aware that with the engine running the alternator will push the vehicles 12v upto a possible 14.2v. The 200mA & 500mA are the maximum current usage of the devices and are only relevant for fuse selection (as already mentioned) or for minimum output current of an AC - DC convertor /...
  20. ste mac

    Spur problem?

    Not the ring imbalance monster again!!!!! If 2.5mm2 T&E is rated at 27A (clipped direct) then how can a 20A fused spur overload either leg of the ring? As mentioned in post 3 it is spured off the upstairs ring which is usually very lightly loaded.

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