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pat testing

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  1. Q

    Insulation resistance with vulnerable equipment unable to be removed

    Good evening Was wondering when testing for.insulation resistance and there is vulnerable equipment in circuit but unable to disconnect, I understand that you combine the line and neutral conductors and test to earth. I am just wondering if it's ok and safe to do this at 500v as there is no...
  2. B

    Hi from the UK

    Hello folks, my name is Matt, I live in Cambridgeshire in the UK. I started working for a scientific maintenance company in October as their new Storeman. I was asked to look at the PAT testing equipment and familiarize myself..(a Seaward Pat Tester 250+). I have done the Pass/certificate on the...
  3. Q

    Do you test the continuity of an installations main incoming earth

    This may seem like a stupid question but when testing for continuity using the long lead method I know you test the water and gas bonds etc but do you test the incoming earthing cable. I ask this because reading guidance note 3 it talks about the earthing conductor to be tested and I am slightly...
  4. B

    Basic PAT Testing question

    Hi there, Excuse if a daft question but should PAT testing include all spare cable and chargers ? ie we have several boxes of unused spares (laptop chargers etc) which are likely to never be used but kept just in case. I presume they should be tested as they could be used at any point or...
  5. A

    Asbestos check before fixed wire test

    Hello all. I'm starting to do more fixed wire testing at my company and wondering about asbestos checks. The last company I worked for (was an apprentice at the time) didn't check any asbestos register before starting the test so just wondering where to stand with it. These will be commercial...
  6. HandsOffEngineer

    A different business model for PAT testing?

    Is there a room in professional PAT testing for a business model other than 'per unit'? I ask because I've been giving this some thought. I've just finished the 2377-22 course. Not with the intention of actually doing any PAT testing professionally, rather mainly for the purpose of my own...
  7. S

    fuse fail class 2

    Hi all. First of all, I'm not an electrician, although I am confident in doing small jobs (socket changes, light changes etc.) however I am about to start a course (being sent on one, city & guilds). My friend (spark, currently on holiday so I can't ask him) has given me his HPAT600 and after...
  8. D

    PAT testing servers

    Hi I have a question about servers , i had a client who want their server testing , i told them i would need to power down the server to test , but they then said that last time it was done by another firm it was visual and they didnt turn anything off , but you still need to unplug to do a...
  9. P

    Qualified to fix?

    I qualified as a "PAT Tester" (C&G 2377) almost 10 years ago and for the first time last week I was asked if I was qualified to FIX any of the faults I found? It never crossed my mind that I wasn't, if I am qualified to find a fault does it follow I am qualified to correct it? I must have...
  10. C

    Parallel RCD Testing

    I've got to test a bunch of temporary electrical distribution boxes (see photo example) for an events company I work with. I've done this many times before and have no issue with the actual testing. However, normally I would do it on the bench with a non-RCD'd supply so as I can test and record...
  11. F

    How to wire for "electrically sensitive" people

    Hey everyone, I believe I may be one of the crazy people who thinks they are "electrically sensitive"... I hate that I am that guy, but this is kind of where I find myself. I'm convinced that the farther from all electrical stuff I sleep, the better I sleep, and I've kind of gotten obsessed...
  12. spud1

    PAT testing transformer plugtops

    When PAT testing is it necessary to carry out insulation resistance or load/leakage on a Class II (Dummy earth pin) transformer PSU type plugtop? (e.g. phone charger, monitor PSU) Or is just a visual inspection needed?
  13. J

    PAT Testing a ball pump

    Good morning all, I'm new to this forum and just wanted some advice please. I've got this electrical ball pump that PE use which is a class 2 appliance, last year it passed the PAT test but this year it failed on the leakage test. Now I could do a class 2 test without a leakage test but I...
  14. Kevin_G

    Advice on pat testing

    Hi Experts I would like some advise on pat testing. i am converting old Bakelite radios, taking out all the original electrics and valves and installing bought 12V amp/Bluetooth board, speaker and 12V power adaptor. Some wiring and soldiering is involved, but very basic My question is, as i...
  15. DaveyD

    Pat testing software for Seaward old Supernova EX

    Hi all Does anyone know of any software to download the results without all the bells and the annual cost of the PatGuard 3. We seldom do pat testing, but it would be good to drop into excel or something. thanks in advance. David.
  16. C

    Glue Guns Failing earth continuity test

    Hi Guys Long time since I last posted but I have a problem I'm stuck on. My company uses a few industrial hand held glue guns. We have been experiencing repeated problems where the glue gun is failing on the earth continuity test. (Full test every 3 months) Typically 0.26 - 0.56 ohms. We...
  17. R

    Continuity of protective conductors...Initial/Periodic exam.

    Hi, With Referance to the current Initial verification and periodic practical exam. Continuity of protective conductors, including main and supplementary bonding. I understand using method one with circuit c.p.c, Connect line/c.p.c in connector blocks. Results provide, continuity, R1=R2 and...
  18. M

    Patting a microwave oven

    I bought a leakage detector which says "must not exceed 5 mw/sq cm " Please: how far away should you be holding the meter? One oven failed. The PAT meter says "Riso > 20 Mohm Ileak = 0.84 ma " How is this possible? It seems to violate Ohm's Law. (This is just a Q out of interest, I will in...
  19. T

    Plumber's reason for RCD tripping.

    Plumber changes boiler and RCD main switch starts tripping at various times when its firing up or soon after. (I was there doing other work). I test ring (that its connected to) and get +299Mohms on all tests. RCD doesn't trip at x0.5 and trips at x1 and x5, all fine. I've suggested to them...
  20. Zdb

    3Phase PFC

    After having a discussion with a colleague earlier today I was wondering what peoples preferred method is when testing prospective fault current on a three phase distribution board. Do you: A. Perform a 2 lead test between L1-E, L2-E, L3-E, L1-N, L2-N & L3-N then double the highest value. Or...

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