rcd's

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  1. R

    max Zs for delayed RCD's

    The regs give a table for non delayed RCD's and circuits under 32A, how do you calculate max Zs if there is a delayed RCD or if the circuit is over 32A?
  2. B

    BS numbers for various RCD's and MCB's

    Hi I have been trying to find the BS numbers for various breakers, cut outs and MCB's and fuses. Does anyone know where I could find such a list for use with EIC. I am only really familiar with BS 60898 and 61009. I have seen BS88 but for the other types and there Ka rating I am unsure...
  3. E

    2 RCD's

    Hi guys I was just thinking about what someone put about a question I asked a couple of days ago. I asked about putting an RCD proceted fused spur on a ring main to feed an outside light. they said the RCD fused spur will be fine as long as its not protected by another RCD on the cu. My question...
    • eagleeye
    • Thread
    • aus discrimination protected rcd rcd's tripping upstream
    • Replies: 4
    • Forum: Australia
  4. A

    Lighting circuit trips both RCD's

    Looking at some kitching lights, there are two downlights and 4 under cupboard lights on one switch. Found it to be linked in the switch to the other lights so assumed it had a shared neutral. After removing the downlights with then go on to connect to two under cupboard lights the first two...
    • adam.h
    • Thread
    • aus circuit lighting lighting circuit rcd rcd's trips
    • Replies: 0
    • Forum: Australia
  5. Z

    Fluke or Di-Log ?

    Hi guys! Which is better Fluke or Di-Log? I need to buy some voltage indicators and voltage testers so I wander which one to buy.
  6. E

    RCBO's or 2 RCD's

    Hi Guys i am doing a job with a TT supply system would like your suggestions on weather to fit 30mA RCBO's on each final circuit or just a dual rcd split load CCU. I thought seperate RCBO's as the guy wants mains voltage downlights and we all know how many times it knocks the rcd out when they...
    • eagleeye
    • Thread
    • aus rcbo rcbo's rcd rcd's
    • Replies: 2
    • Forum: Australia
  7. M

    RCD problems

    I have fitted a dual rcd board, and everything has tested fine. my only problem is that the rcd's do not trip on the 180 phase roatation, but trip within limits on the 0 phase rotation. I have swapped both rcds for new to check that the rcd's werent faulty and i still have the same problem. Has...
  8. sparks1234

    RCD's in offices

    So, who uses RCD's to protect sockets in offices for general office machinery?
  9. S

    rcd's retrospective on socket circuits

    can anyone clarify if rcd protection is required retrospectively on ring main/socket circuits in industrial premises. I have been given a job to clear up snags on a periodic inspection, the lack of rcd protection is given as a failure on a number of circuits. it's not a problem, i would...
    • sutt777777
    • Thread
    • canada circuit circuits rcd rcd's retrospective socket
    • Replies: 1
    • Forum: Canada
  10. G

    Dual RCD's

    At College,haven't covered much yet about dual RCD's What is the advantage of using two Rcd's over one. What circuits would be on each section of the CU? Also I have an old re wirable type CU and am thinking of changing it(with more knowledge). I have a split load board with one Rcd would this...
  11. S

    RCDs trip under no load

    Hi (first post) Has anyone had trouble with Wylex RCDs? Just installed a consumer unit and both my RCDs trip on power on but with all MCBs off and unable to reset them. Never used Wylex before so can I asume both RCDs are faulty? Will pop out and get some replacements, but thought I'd ask if...
    • Shinner
    • Thread
    • aus circuits earth faulty load neutral no load rcd rcd's rcds trip under
    • Replies: 13
    • Forum: Australia
  12. R

    RCD's and storage heaters

    Are there any known issues with RCD's and storage heaters? I've done an inspection on my own house, the storage heaters are on their own board, its a TNCS system. The only problem is that when they were installed the wires were tucked under the joists rather than through a hole in the middle...
  13. A

    testing RCD's

    Hi With the intro of the 17th edition regs how do you carry out the testing of the RCD controlling a lighting circuit? I have seen the testing of RCD's controlling ring circuits with the use of a 'plug in' lead but not sure on how to test lighting circuit. Hope that makes sense, Thanks.
  14. S

    RCD's -replacing with different manufacurers

    Got to fit an RCD to a NEWLEC CCU. - Want to fit a CTI one as its cheap. Are RCD's generally the same packaging especially the connection to the bus bar. -I used to swap about with Mcb suppliers and had the odd fitting problem but usually I fit a complete CCU rather than upgrade them.
  15. S

    old style rcd's

    been to look at a job yessterday, one part is in a shop and the other works is in the main house. both buildings have seperate electricitry supplies. shop electric works will be straightforward as ive got tt system with 10mm main earth bond and bond to gas in 10mm also got a 30ma rcd to use...
  16. W

    Individual rcd's

    Can anyone help; I have a potential customer who wants individual rcd protection on all circuits (approx 8 of) I have fitted them a few years ago, but can't remember manufacturer, I do remember each rcd takes up two spaces in the consumer unit. Can they still be used? All I can find is the...
    • wattsup
    • Thread
    • aus circuits consumer rcbo's rcd rcd's wants
    • Replies: 9
    • Forum: Australia

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