tests | Page 10

tests

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  1. P

    Testing - SELV

    Something is confusing me somewhat: Can someone, in idiot terms :13:, please explain what tests are required on a SELV circuit. For example, a downlighter in a kitchen with a SELV transformer. It is something that I cannot get my head around. What connections are made on the circuit and...
  2. O

    8.5 Kw shower on 6mm tripping MCB

    Went to a job today where a lovely new bathroom has just been fitted upstairs with a new 8.5 Kw shower replacing a 7.2kw one. After a few minutes in the shower the MCB trips. The shower was fully turned up and when I asked the customer they said that they always ran it like this. On inspecting...
  3. S

    Linuo - salt mist tests

    Anyone know of Linou has salt mist test certificates?????
  4. S

    Zeroing fluke 1653b tester help

    Hi all not sure if I'm zeroing my test instrument correctly as I've got different test results when carrying out my pefc an psc. What I've been doing when carrying out these tests is connecting all the 3 test leads together and holding zero however on the display it's stating 0.14 ohms...
  5. D

    continuity of final ring circuit conductors

    Hello, I am about to conduct my first initial verification and i have spent all weekend reviewing how to do the recommended tests. However I have a question regarding final ring circuit test. 1- is this only for a ring main circuit with outgoing line and incoming line? 2- if the answer is...
  6. S

    Fluke 1653B supply polarity

    I used my fluke for the first time today practicing on a test board I built up for 2391 paractical exam. I went through all the tests and got to the live tests. First test was supply polarity and I am getting a reversed L-N reading on the display. L-E read fine, N-E also reads fine...
  7. T

    Photon Lab Tests

    Hi Could anyone supply link to the latest Photon Lab tests have searched and only coming up with results for 2009 Regards Tjn300
  8. Y

    RCD problem

    Hi All, I am having problems finding a fault and would appreciate any ideas, I have got an RCD on a ring main and on some sockets all tests are great but on some sockets the RCD is tripping at greater than 40 ms on 5x test any ideas?
  9. P

    P.A.T Testing I.T. Equipment

    On 'Pattesters' website they advise- When testing modern IT equipment it is not normal to performed a leakage or touch current test; these tests are usually used on older equipment in place of the 500 Volt insulation test. However in my copy of the IEE they say that touch current test should...
  10. J

    testing issues

    hello all, im a jib graded electrician just finished my 2392 course and have my 2391 course booked for the end of september. im pretty as green as grass as testing goes as i have not a great deal of experence. ive be asked to test a number of circuits and the sockets all have metal back boxes...
  11. N

    emergency lighting tests

    Hi guys, Just wondering what qualifications enable me to test emergency lighting systems?. I have level 2 and level 3 City and Guilds 2330 and my 17th edition. My Client asked if i could do it for him tomorrow. I have done a bit of reading on the subject, regulations etc. but cant find that...
  12. S

    PIR on property with disconnected supply

    Hi folks, client has requested PIR on a property with disconnected supply (not sure how disconnection has been effected). Property has been empty for a long time and potential buyer (retired electrician - no pressure) wants to know as much as possible to see if price can be negotiated down...
  13. J

    how to work out r1+rn (and R1and R2)from end to end readings

    How can I work out the P-N figure of eight readings and the R1and R2 readings from the end to end readings of the ring cct. This is because our certs are typed up as we go along on site, and I only do the end to end tests on the ring. Can anyone help pls.
  14. E

    Frequency of tests.

    Hi all, what will be the frequency of testing for fixed equipment as stated in cop? It has stationery but not fixed items ie hand dryers?Also what exactly do they mean by initial frequency. Is this the first test after purchase.If so when is the next insp required??Last thing my supernova...
  15. B

    Periodic inspection (EIC) report questions

    Hi all During r1 r2, ELI and PFC tests of a lighting circuit would it be a problem to leave lamps and ballasts etc in GN3 shows them out but I can't see a problem
  16. J

    IR tests ok 250v but 500v

    Hello, can some give me some advice on what the problem could be with the ring final im checking before changing the cu, did at test with line & netural joined and tested to earth at 250v and got 25Mohms so went to test at 500v and got 0.35Mohm. thanks jimmy
  17. C

    Who's been using Megger's 1730 MFT?

    Hey peeps, looking at the new 1730 MFT from Megger, currently using the 1553. Just wanted to know if any of you are using it and what you think? Also interested in the no trip test speed, is it much faster??? How long do the batteries last...etc. Any info would be much appreciated.

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