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  1. W

    In a bit of a PIR pickle

    I am having some difficulty completing my PIR paperwork. I need information on the max ZS permitted by BS7671 for several protective devices. I have hunted on the net with little success. I will give you as much info as I have 1. square D thermal-magnetic circuit breaker 100amp SFA3100. IEC...
  2. W

    50 metre run to outhouse

    I have to run a supply from a house to an outhouse in a garden The outhouse DB will have 5 sockets and approx 3 lights, not a lot The run is approx 50 metres, should i run it in 10mm or can i get away with 6mm? Also due to the escalating costs of cable is there any reason why i cannot run it...
  3. W

    BS 60947-2 max permitted ZS, any ideas???

    Hi Doing a PIR and am trying to find max values for BS 60947-2 MCCB's Does anyone out there know this? Any help would be appreciated thanks
  4. W

    PIR question

    Doing a PIR today. MIMMS cable using metal sheath as CPC, how do I determine CSA of the CPC for schedule of circuit details. I am really not sure what to do on this, any suggestions are welcome
  5. W

    confused by emergency fitting with integral photocell

    I have a maintained emergency fitting with built in photocell. The circuit has a key switch which can override the circuit leaving it permenantly on. As it stands I have a permenant live to charge the fitting, however. The problem is once i put my hand over the photocell to simulate darkness it...
  6. W

    fitting a burglar alarm, easy, slight difficulty,impossible?

    I have been asked to fit a burglar alarm in a 2 bed flat. It has just been refurbished and looks all lovely and tidy. I know very little of burglar alarms and browsing through my TLC catalogue there seems to be a wealth of options. It needs to be unobtrusive as the place is immaculate, I...
  7. W

    BT broadband, savings to be made??

    My 12 months are up and i am considering new broadband deals. There are plenty of cheaper firms but for peace of mind I am happy with Bt. I like the look of Bt's hub, phone and v-box. I have seen these all on ebay selling cheap, is there any point buying this equipment off ebay, am I really...
  8. W

    telephone master socket

    I am in the process of wiring a flat. Unfortunately I have just discovered the heavy handed builders have ripped out all the telephone points and cabling back to the point of entry into the premises. Therefore I suspect the master socket has been toseed into a rubble bag. This causes me...
  9. W

    Unsafe Insulation Resistance testing?

    In what circumstances is IR testing phase to earth, neutral to earth unsafe? To avoid any possible damage to any circuits should I only test to earth with phase and neutral connected together Any help would be appreciated on this
  10. W

    Humidi-fan wiring?? trying to avoid blowing it up

    I have a humidi-fan/timer with no pull cord which needs wiring. Enclosed are some pictures, I am not 100% on wiring, no instructions included. Any help in regard to wiring this would be much appreciated
  11. W

    Need help with imperial metal conduit

    I am in the process of rewiring a flat. It is run in imperial metal conduit. In the kitchen there is an old socket complete with imperial metal conduit 2 lengths and a single metal backbox at about chest height. This has to be removed to accomodate a cupboard. I need to maintain continuity with...
  12. W

    grumpy spark

    I have been reading your post all evening and thought i should get in touch. I have been working for 6 months in the trade and am thoroughly p****d off. Currently 80% of the day consists of driving and the rest actual work. Is this typical of the business or have i just got a crap job. I am...
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