damage | Page 4

damage

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  1. swparksey

    EICR Code what do you think

    Industrial workshop, 40amp mcb in DB, non armoured rubber cable connected in comes out of steel tray and runs across the floor against wall, then behind some fork truck racking and has a 32a RCD outlet box laying on floor loose to connect the welder to. Which code?
  2. Richard Burns

    Drilling down stud wall

    Totally fed up with this one. Any thoughts on hole drilling to run cable down a stud wall, I cannot get a straight line through. I am trying to run cable from the loft down to the CU in the hall. I have drilled down 1.7m and can take the drill bit up 1.7m and the total height is about 3m. I have...
  3. D

    sometimes the customers intellect needs questioning

    took this in back of a sarnie shop, only reason im been called in is because the stainless splash back is been replaced by a full height one and she asked me to re-route the plastic conduit they were unaware it was doing any damage to the conduit DOH!
  4. T

    IR Testing

    When doing an IR test I appreciate that there should be nothing connected - all bulbs removed etc - but what about fluorescent lights - I remove the tube will the IR test damage the starter \ other controls - should I actually be disconnecting the fitting? Would also appreciate an answer to ...
  5. M

    Damage caused to VSD from insulation tester voltage

    Hi, Can any one advise me about the actual damage caused to a frequency drive if flashed with 500 vdc from an insulation tester? I have an ABB ACS800 0100 drive (100kw) that has been flashed by someone. The drive uses IGBT modules fired from a control card, will it be the IGBT modules that...
  6. telectrix

    interesting fault

    came across this yesterday. called out to a park home to reported fault, RCD tripping with RFC fuse inserted. client was using socket outlet on cooker point to power fridge/freezer since night before. opened CU ( 6way wylex with 4 HRCs and 2 MCBs, 30mA standalone RCD front end). got out the...
  7. F

    IR Testing lighting cct with fixed bathroom extractor load

    Domestic CU change, TN-C-S. Lighting circuit has an Extractor Fan with Electronic timer installed. When performing IR test on the lighting, should i just test the whole lighting cct between L & N (connected together) and the CPC - I do not want to remove the cover of the extractor to disconnect...
  8. J

    Fused Spur and 1G 13A for double back-box?

    I have a project where I need to take a (fused) mains supply for an HVAC control box (in a village hall) without disturbing decor. The obvious answer would be to replace a 2G 13A socket (double backbox) with a combined double unit (or modular units fitting into a double faceplate) that provided...
  9. S

    Could PAT testing cause damage??

    Hi, We had PAT testing carried out the other day and since the engineer left... one of the laser printers in the office has packed up. It powers up ok, and the green LED indicating its ready to print is lit... but it hasn't printed a page since the guy tested it, and it won't print a test page...
  10. H

    Breaker tripping

    Lads odd fault. Breaker trips 20 mins-1 hour after being switched back on. 32 amp ring, old wylex board with push fit circuit breaker. Wiring is a mess. Ring is for sockets. It has exterior lights, alarm, boiler , attic lights, pond pump and fountain - all from jb's in attic - thoughts...
  11. T

    How much damage has been caused to the Renewables Industry?

    As a company already in the home energy market we got accreditation for PV and solar thermal about 3 weeks ago. This was seen as the first stepping stone in taking the business into most if not all of the renewable technologies. We were just finalising our marketing plans when the government...
  12. L

    Turning PV system off - damage it?

    Sorry if this is a stupid question - but does it damage the panels at all if the system is turned off for quite a long time - i.e panels in full sun, but disconnected for several hrs? I can't see why, but thought I'd check with you knowledgeable people. We will be having some other electrical...
  13. sythai

    Floor board removal - finished floor minimal damage

    Evening chaps - just want to see if anyone has any tried and tested method of getting boards up on a finished floor (floor boards on show) Cutting T+G's out and to length no problem - circ saw and Fein. It's the getting the nails out and actually prising up bit that I'm on about..... I have...
  14. Dean Williams

    Pulling the main fuse?

    Hi following on from another thread is it Illegal to pull the DNO fuse, i always do, after all i am an electrician. ta
  15. T

    fuse rating

    i've had two questions on a similator, An 800w electric iron should have a fuse rated at... I said 5 amp as 800/230 = 3.47a it said i was wrong and said the correct answer was 13a another question asked basically the same just it was a 1.5kw heater, i said 7a it said 13a. is this correct?
  16. P

    Damage to service supply cable

    Hi all I have a job that I'll be starting mid July. Currently the chap is digging foundation trenches for the extension. Last night I had a call from him asking if I can repair a cable he hit with a spade. It is the service supply cable, service head is PME. He has cut through the outer sheath...
  17. alisha

    Current transformer damage

    :confused:Could it be disbalance of load on generator reason for damage one of the current transformer in protection loop?:confused:
  18. C

    Accident at work, who's liable?

    Thoughts on this please chaps as have a meeting with my contractor tomorrow... Couple of weeks back was working in a department store with my Electrical Contractor. Now, I sub contract to him as an 'Improver', 'Mate' etc as not too au fait with Commercial & is reflected in my day rate...he then...
  19. A

    DNO and Applicable Earthing System

    Hi All my first post :) So I am planing to rewire the house that this incomer is servicing. I want the DNO to come out and provide a descent earth and for them not to charge for it. You can all see there is plenty that requires improvement in the photo, but the DNO earth should be the...
  20. Amp David

    Problems after water damage.

    Looked at a job today where a burst pipe in the loft has soaked a bathroom and bedroom upstairs and most of the kitchen downstairs. Problems are now shower not working, a few lights dead, cooker dead and damp socks no doubt. I decided to go down the periodic route as there's never been one...

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