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  1. V

    Grade a ld1 commissioning certificates

    Yes.. but where can I find them..? Niceic shop only has certs for grade b,c,d,e,f systems.. I can't see any online that state suitable for grade a. The system as installed to me is a Grade a ld1 system. Why are all the certs I can find not applying to grade a systems? I have a model form in my...
  2. V

    Grade a ld1 commissioning certificates

    What certificate do you recive when a supplier commission's their system for you..?
  3. V

    Grade a ld1 commissioning certificates

    Yes we programmed the panel on site.. straight from the panel..no need for any extra gear .. tested with canned smoke .. The smokes in each flat are in the hallway not the kitchen area so toast shouldn't be a worry. I'm very happy with the system .. and we have wired and fitted many systems of...
  4. V

    Grade a ld1 commissioning certificates

    Hi all I'm after some advice regarding a fire alarm system we have recently fitted. The system is in a 4 storey building containing 7 flats from a single communal stair way. Each flat has an internal system with domestic type smokes and heats in every room apart from bathrooms .. plus an...
  5. V

    SHOWER TRIPS RCD ITS NOT CONNECTED TO

    Neutrals in the cu .. all of them...are good. Accumulated leakage ... wrong rcd for this.! Cooker and kitchen ring circuit with all appliances is on the rcd that's tripping .. but that's not the one with the shower on it. No induction hob.. Global IR test .. well the lowest IR for any of the...
  6. V

    SHOWER TRIPS RCD ITS NOT CONNECTED TO

    Hi all OK..did a cu change yesterday .. old wylex with an external rcd for a new amd3 dual rcd cu. This morning the customer rings to say the shower has tripped the rcd. Turn up on site..and the rcd that has tripped is not the one that the shower circuit is on.! So i check for crossed over...
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    3 phase immersion heaters in star (no N) or delta

    Sorry guys..don't know what I was thinking there..I would no more use a cpc as a neutral here than anywhere else.. Must stop drinking red wine on Monday nights. Ajshep.. Yes just looked these europa ecpf05 .. I don't believe there is any protection apart from a 3ph mcb for each heater ... but I...
  8. V

    3 phase immersion heaters in star (no N) or delta

    Thanks for that contact. As I said they appear to be of the type sold by RS .. And looking at the rs wiring diagram they may or may not be suitable for delta connection depending on the part no. So far I can see none. Maybe I should introduce a neutral. .. to the star point ... but there is...
  9. V

    Can you take 2 phases to a consumer unit?

    Good stuff gigsy. .. we don't want rule of thumb ..we want to know why. If there is no reg that's has been broken then any problem is the iee problem .. not ours. Brian Moore .. good stuff.. Plymouth. .?
  10. V

    3 phase immersion heaters in star (no N) or delta

    Not yet...but as you can tell I'm keen to help them out.!
  11. V

    3 phase immersion heaters in star (no N) or delta

    OK I'm still not sure about star without a neutral. I understand that they may not be designed to have 400 v across them ... but maybe they are ... but I can't tell without a part numbe ..I see from rs that some are and some arnt . But I guess in the end it's in star now..it works..with no...
  12. V

    3 phase immersion heaters in star (no N) or delta

    Yeh but no but .. Ceramic wire wound I think ..just like a standard immersion but x 3 . But the elements are in a sleeve..maybe stainless looking at it.
  13. V

    3 phase immersion heaters in star (no N) or delta

    I guess..they were running single phase at one time... I imagine 3 x 2kw or 3kw or 4kw Immersions ..
  14. V

    3 phase immersion heaters in star (no N) or delta

    Hi all Been to a micro brewery today . They have 2 water boilers with 3 phase immersion heaters in them (ie 3 x elements) Originally they were wired to run single phase will all the lives and neutrals linked out and a 32A single phase supply connected to them. Now they are wired in a star...
  15. V

    Single phase joinery planer / thicknesser runs slowly after new motor

    thanks everone...sorted it just wired wrong...2 coils swapped over...job done. shame...brand new machine 2013....the customer is the only owner. looked at the old motor..which has 1 coil burned out and 1 ok. run caps on both old and new were fine. he would of had it working but the company who...
  16. V

    Single phase joinery planer / thicknesser runs slowly after new motor

    I'm going to check it this morning. I gather it started and ran at full speed from new. But always hot by the sound of it...the customer promised he did not ever overload it...light use only once or twice a month. ...strangely on this occasion I believe him. He removed and replaced the...
  17. V

    Single phase joinery planer / thicknesser runs slowly after new motor

    230v
  18. V

    Single phase joinery planer / thicknesser runs slowly after new motor

    Hi all Got a customer who has a lightly used new in 2013 joinery thicknesser / plainer. The single phase motor burned out for no obvious reason a few weeks ago...and has been replaced with a new item of the same type by a reputable motor company. The new motor runs at slow speed only... I've...
  19. V

    equipment in a dno meterbox

    Thanks for your replies The second question is what do you do when you've installed an isolator in the meter box... Another electrician comes to do some work..and tells your customer................... Hey... Your previous electrican has carried out work that should not have been done.... They...
  20. V

    equipment in a dno meterbox

    Hi all can anyone tell me of there experience of fitting gear inside a dno meterbox....? ie a switch fuse for submain.. or switch fuse as required if your tails or submain to your consumer unit is more than 3m away from the cutout..? im aware that the dno's regs may say i cant fit gear in...

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