delayed | Page 2

delayed

  1. S

    supply & tails rcd

    Hi all, could someone please give me some advice. I wiring some flats up and as its an old building their is currently no power to any floors. New supplies are being fitted in the basement (which is owned by a shop on the bottom floor) my question is about protecting the tails up to each flats...
  2. W

    Time delayed RCD to protect tails entering a metalclad CU

    Hi Guys, A Metalcad CU is being installed on a TT system in a farm garage. Chances arew things will be rested up against the walls so a Metalclad CU has been chosen to give it protection. All circuits will be protected by 30mA RCD / RCBO. From research it seems a 100mA time delayed RCD will be...
  3. B

    100ma S type Rcd (Time delayed)

    Anyone give me a rough price for the above, Never needed one for a while. Wholesaler doesnt keep it as a stock item so waiting a call..
  4. D

    Rcd or isolator.

    Hi Guys. I have a new build house waiting for the meter to be fitted by the NIE. What are the requirements for isolation in the outside metering cubicle on a tt system. Would a 100a isolator be ok or do I need an RCD here as well as the 2 x 30mA ones in the con unit. Con Unit is back to back...
  5. D

    Time Delayed RCD Protection for a TT system

    Hello all I have a standard CU at present with 30mA RCD protection. As there was no decent earth in place, I'm in the process of installing TT and, so far, I've installed an Earth Rod, tested and found sufficiently low loop impedance. My next job is to get the necessary RCD protection in...
  6. B

    RCD Protection of tails to flat

    1st floor flat on PME supply. Service head on lower floor below G/F flat. Tails to 1/F flat some 10m away protected by switched fuse after meter. Cant see run of tails but 99.99% sure they are buried in the wall as no conduit/trunking evident and they also go through the communal staircase area...
  7. DaveyD

    100mA delayed RCD tripping before the 30mA at DB. TT System

    Hello Just not on the job at the moment but the builder called. He plugged his small angle grinder in to a new circuit and it took out the RCD at the supplying DB not the 30mA at local CU. Here's the set up: TT . 100A DNO fuse House CU old and full so split tails into small CU with...
  8. S

    closed circuit coil on 3 phase contactor needs to have time delayed off switch

    I have wired up a couple of remote switches for a three phase fan in a paint room, two switches by the door, one inside the room one outside, this so fan can be controlled when entering and leaving the room, i have wired these as a closed loop hold on circuit with momentary switches, my problem...
  9. P

    SSE Delayed Payment

    Hadn't received my payment cheque so rang SSE to see if it was in hand. Was told Na! They have changed their payment dates because their computers couldn't handle the FIT change to 45p. Got to submit new reading by 5th June to get paid a month later. Would have been nice to have been told. I...
  10. S

    June FIT cut delayed

    Barker on twitter Greg Barker ‏@GregBarkerMP Having listened carefully to industry, we are looking at scope for pushing back a little the next proposed reduction in the #solar tariffs Expand Reply Retweeted Favorite
  11. S

    100ma RCD

    I have been to a job this morning, the outside carpark lights had a fault on them, i have rectified the fault. The system is TT with 100ma rcd incomer protecting the installation. The problem is that if there is a fault on the lighting circuit throughout the night it takes the main 100ma rcd...
  12. F

    mains supply to flats

    had a customer enquirey to change card meters in some flats each flat is fed with 10mm twin and earth and each flat has its own earth stake on fuse fusebox side of flat,each flat has a 30ma rcd inbetween incoming supply cable and fusebox. however there is no earth stake for the incoming supplies...
  13. K

    3 63 amp RCDs on same circiut

    2 are in the board and the other is feeding that which is also being fed from a 100 amp rcd. cant seem to find any problems with cables and does just nuisance trip. help plz
  14. T

    Current part p requirements extended until April 2013 & Installers NVQ delayed

    It has just been confirmed that the current method for registering domestic installers will continue until April 2013. This provides more time for anyone looking to qualify under the current scheme to get trained in confidence that they will be able to progress their career following the...
  15. L

    Must be delayed marketing....

    Just had an envelope come in the post from a regional (I think) firm advertising solar - and all it mentions is that "the government are expected to reduce the Feed in Tariffs by up to 20% in April 2012". I can only assume that it was a bulk mail campaign that got posted before the DECC...
  16. C

    relay or contactor?

    if i wanted the garage lights to come on when the electric door opened would i use a contactor or relay ? whats the differance? thanks for the advice
  17. G

    TT system testing - problem

    Hi, can anybody throw some light on a problem / confusion i have? I'm in the process of installing a new TT system. The existing earth electrode had a high resistance in excess of 2Mohms. I've inserted a new electrode in a new location and measured the resistance immediately after inserting the...
  18. C

    relays, time delayed

    hi, i am connecting a time delay relay onto a lighting circuit. i am going to have a switch on the circuit, when you switch the light on it should go on and stay on, until the switch is switched off again. when the switch is switched off, i want the light to stay on for ten minutes then go off...
  19. U

    time delayed main switch?

    just been to a quote for new bathroom refurb , new board done, hi integrity crabtree starbreaker CU in place. TT system split rcd with 2 ways etc. 30 MA on each, all tested ok. no time delayed main switch, just standard 100A main switch. Does this require one as it is split load? the install...
  20. I

    TT 100ma Rcd + earth electrode??

    Hi al,l I am working on a tt system at present. I am going to be a adding a new d/b which will be ran from an existing board which has a 30ma main switch, controlling 1 other circuit i need to change the main switch to 100ma and the 1 circuit its controlling will need changing to a 30ma rcbo as...

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