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touch

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  1. W

    TT System and 30mA RCD tripping times

    Help! Sorry having a bad day. I understand the concept behind touch contact of 50v and the above 1666 ohms. But when physically testing with 17th ed dilog and testing a TT system 30mA RCD. At 1x and 5X what reading would you see on your meter? or would you just test the mechanical aspect...
  2. U

    Tingling from dishwasher

    ok, got a call from a customer, when they open dishwasher, touch the metal casing inside, and touch the sink they get a tingling go up the arm. same when they touch the cooker too?! this does not happen when they touch the outside casing by the way is this some form of leakage to earth...
  3. M

    RCD mA calc

    Could someone please confirm how to calc the size of an RCD PLEASE? I was asked this and am not sure, looked in the regs T 3A and think its V over RA but am not sure of this. I'm only domestic but I need to get this straight in my nut. Cheers guys.
  4. M

    megger anyone seen this?

    2500V 20G ohm Digital Insulation Tester Megger DY30-2 on eBay (end time 22-Jun-10 19:19:15 BST)
  5. C

    If I touch the neutral wire, will I get a shock?

    Just wondering if I would get a shock if I touch the neutral at a switch point, if the live isn't connected to the neutral? Thanks:p
  6. S

    2391 questian on touch

    Hey guys , on the 2391 exam who knows the answer to the 3 tests regarding the sense of touch , Ive got a feeling a feeling that its not an option for a voltmeter
  7. Dan

    ContractorForum: do you have a little touch /trade mark: that you like to add to ever

    ContractorForum: do you have a little touch /trade mark: that you like to add to every job you do that no other tilers do ,i as .. http://------/8WVVrf More... Follow us on Twitter.
  8. RAGEnFURY

    FLUKE 1653B Zeroing the leads

    Hi Guys New to this whole gig, currently doing my 2330 and have got hold of a 1653B possibly the dumbest question on this site but.... When zeroing your leads do you touch the tips together? Thanks
  9. B

    Megger 1553 advice

    Hi all,i have recently purchased a megger 1553 mft & because i'm new to the game i was having a play with it & reading the user manual & just wondered what the function for the RCD touch voltage selection would be used for could anyone give me an example.You can select from 25v - 50v.this may...
  10. I

    rcd touch voltages

    hi could you give me some advice regarding calculations for RCD touch voltages 30mA RCD RA X I^n = < 50v 166 x 0.3 = <50v 100mA RCD RA x I^n = <50000v 500 X 100 = <50000v 300mA RCD RA X I^n = < 50100v 167 x 300 = <50100v 500 mA RCD RA X I^n = <50000v 100 x 500 <50000v any help on this...
  11. T

    Megger 1502/2 or 1552 ??

    Could anyone tell me what the difference is between these 2 testers ? Which is the better one? if any difference
  12. P

    No bonding with RCD

    Apparently if the pipe work in a property achieves certain resistance there is no need for bonding if a RCD is used. What is the figure that needs to be achieved? I have been looking through the regs this morning but haven't found it.
  13. K

    Hotpoint oven LCD screen fault

    Hi all, I purchased a Hotpoint oven with a touch panel control with lcd idicators just over two months ago and to date the engineer has replaced several parts on several visits but still the fault persists.His last visit was today and he replaced several componets and the display seemed fine...
  14. H

    Touch type dimmers

    Hiya all i fitted a touch type dimmer switch in my lounge last year, this weekend the missus bought a new light fitting, so of course i gotta fit it straightaway, so me being lazy just touched the dimmer to switch off light, (big mistake) when i put my crappy terminal driver (from the kitchen...
  15. S

    touch voltage

    when i did my apprentaship for a pub refurbing company i was always tripping the rcd when cutting through N - E. is this tripping because of touch voltage in the earth? my boss who taught me the little i know some years back told me that it was cos of some juice in the neutral. but given how...

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