Did a CU change the other day and a full range of tests. Did all my Zs using the old Ze+(R1+R2) method and all was fine. Plugged my Megger 1730 into a socket out of interest, did a no-trip live test and it came out much much higher.
So, faulty megger and dud results.
Just wondered how the...
Hello i havent done much testing before so i am trying to brush up on my Testing skills before i join Elecsa, i have a couple of questions about R2 testing please.
I understand how to carry out R1 R2 tests using method 1 and that we do them to calculate the Zs of our circuit Zs=Ze+R1+R2
But i...
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I have just started PAT testing, got a megger PAT420 due to the available work that i can use it for.
I have been getting to grips with the tester and have come up with 2 questions.
1. Tested a CRT monitor and the computer tower seperately, did the leads first then plugged them into the...
Hi all. when changing a consumer unit,what tests are you doing for eic?continuity of ring and bonds,insulation resistance,polarity,zs and rcd tests. or are you doing R1+R2 as well? i normally do the R1+R2 tests as well but takes extra time and is it really nessesary? on the ring mains i can...
Hello i was wondering if anyone could help me out please.
I have worked as an Electrician for around 8 years now but have never been too familiar with testing.
I have decided to start working for myself and have chosen to join Elecsa.
But before i do that i need to brush up on my testing...
Posted this in the main forum, just realised this forum was here...
I have just completed a basic PAT test qaulification ( PAT Testing Course Training - PAT Training courses for Pat Testing in the UK )
this allows me to inspect, test and report. If however i find a plug that needs replacing...
Hi All,
Just want to run something by you, have been asked to complete a job which consists of like for like replacement of various lights fixtures and fittings. Basically they are replacing old lights with led and low energy etc.
Client has requested a minor works cert on completion, this is...
Hi, I did C&G 2377 a couple of years ago and have only recently been asked by company to do some portable appliance testing for them.
Now, I'm trying to remember how to test class 2 equipment. I've looked around the internet the best I can and haven't really found an answer.
How I understand it...
Yesterday I went out to a small block of flats to deal with a fault on part of the landlords supply and discuss fitting a fire alarm system. I pointed out to the landlord that the building as a whole, 4 flats and the communal area had never been tested and that he should consider having an EICR...
Hello gents, I don't normally pop in here but I believe its the best place to ask a question on behalf of a friend. And it is a friend, I don't do PV.
Q. My boss as told me not to waste time testing the DC side of PV installations, only the AC.
My friend has not put his signature...
When carrying out the tests: live polarity of the supply, Ze, and PFC on a TN-s single phase system, what happens to the double pole main switch? is it off or on?
Many Thanks.
HI, please help
I passed my C&G PAT testing more than a year ago and never used the training, it was a good idea at the time....
Anyway cutting a long story short, I have now started a PC shop selling used machines but I cannot remember how to PAT test ...properly.....
I have bought a Robin...
Had another dispute with who i was working with today, with testing an new installation. Here goes
I always thought that the proper testing sequence is R1+R2, continuity of bonding, insulation resistance. Then ze, then zs. rcd
But the person i was working with today told me i should always...
Hey can anyone help, I've got a EICR (Periodic inspection) tomorrow and just been told its a 3 phase supply. Am i right in thinking i just do L1-N-E, L2-N-E and L3-N-E then take the highest reading, also is it the same to get PFC????
alright everyone
passed my 17th edition yesterday so thank you to all who gave me the tips, i know we are going onto the green book in january but if anyone would like a load of mock tests with answers for the red book let me know and i,ll try to figure out how to get them on here from my...
Hi all,
Im in the early stages of learning testing and was wanting to know if any of you could help me understand two lead / three lead testing.
Why do you need a third lead for some tests, when other makes of meter can do the exact same test but with two leads??
I understand that the meter...
Lads odd fault.
Breaker trips 20 mins-1 hour after being switched back on. 32 amp ring, old wylex board with push fit circuit breaker. Wiring is a mess. Ring is for sockets. It has exterior lights, alarm, boiler , attic lights, pond pump and fountain - all from jb's in attic - thoughts...
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