sensitive

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  1. S

    insulation test on sensitive equiptment

    just want someone to check me here ive a lighting circuit with a 12v transfomer (fan), about 8 high..ish fluorescents and a bathroom with pir controlled ballast fluorescents approx 6 if i remember now to insulation test, is it easy as joining the live and neutral together at the dist. box and...
  2. S

    Weird Rcd Issue

    I've noticed on a couple of ocassions now. That my Type s 100ma rcd will somtimes trip before either of my 30ma rcd. CAN some one tell me why this may happen?
    • Superspark23
    • Thread
    • aus before delay device electricians' talk issue rcd sensitive weird
    • Replies: 13
    • Forum: Australia
  3. T

    Help with another bizarre RCD problem

    Hey guys! I have a RCD protecting the sockets in a 2-bed flat, everything else is unprotected. Every now and then it will trip when we switch the (unprotected) lights off (any lights, coming from 2 different MCBs). It often happens in the early morning between 6 and 830am and we will use the...
    • timidez
    • Thread
    • another aus electricians' talk help lights problem rcd sensitive tripping
    • Replies: 10
    • Forum: Australia
  4. D Skelton

    Am I just too sensitive? FYI, long post to follow.

    So a few weeks back I get called out to a guy who's RCD won't set. He's just returned from holiday to find this so not much idea from him when the initial fault occured. To be honest, I was expecting to turn up and find that he needs a new kettle as this is in my experience almost always the...
    • D Skelton
    • Thread
    • aus electricians' talk follow long post sensitive too
    • Replies: 11
    • Forum: Australia
  5. H

    Rcd tripping times/ ramp test

    What tripping time should I expect to be acceptable when doing a ramp test on both 30ma and 100ma rcds. I mean is 70ma tripping time on a 100ma rcd too sensitive?
  6. S

    Insulation resistance testing on sensitive equipment

    When doing an insulation resistance test on selv spots what's the best way to do it without disconnecting all the transformers? Can you do a complete consumer unit insulation resistance test by linking the live and neutral bars together and testing between earth on a 500 volt test or should...
    • schoe
    • Thread
    • between connected earth electricians' talk equipment insulation insulation resistance insulation resistance testing resistance sensitive switch testing
    • Replies: 6
    • Forum: Periodic Inspection Reporting & Certification
  7. L

    Solar sensitive controls

    Hi All, I have a client who wants to know if I can supply controls that will turn on the electric coil in her immersion heater only when her PV system is generating. Whilst I know a controls engineer who could make something up for me it seems a bit OTT to bring him in on a domestic job...
  8. C

    IR Testing

    Hi, When IR testing a circuit where voltage sensitive devices cannot be easily removed, and using test method 2 as per GN3, where they advise connecting line & neutral together and then testing to earth from this connection. Is there any reason not to just test between line & earth and then from...
    • clematis432
    • Thread
    • aus earth electricians' talk neutral sensitive testing together voltage
    • Replies: 2
    • Forum: Australia
  9. S

    Sunlight activated switch

    Does anyone have any ideas where I can get a simple automatic switch that is sensitive to when the sun is shining? I have a d.i.y swimming pool with black pipe solar collector, It is hard for me to estimate what the days weather is gonna be like before I go off and work. A simple automatic...
    • swimr
    • Thread
    • automatic electricians' talk however market sensitive switch
    • Replies: 2
    • Forum: Talk Electrician Forum
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