explain | Page 4

explain

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  1. K

    help testing

    hi guys testing houses and the board has all rcbos, whats the best way to do insulation test without damaging lights, sensitive equipment?? guidance book says link l&n togetherand test between this and earth? but dont understand how this doesnt damage equipment? also the pfcc and pscc, i know on...
  2. M

    moaning customer help

    hi i have had a bad one today i have done a rcd test on a brand new circuit today and the customer has now said that i have nackered there sky+ i cant see that myself but please any advise welcome
  3. S

    R1 & R2 Testing Help

    Just started testing at college and not sure of the following in regards to the R1 + R2 testing: 1. Why are the readings in a ring the same or similar? Compared to radial? 2. Why do you cross connect line and cpc in a ring to carry out the R1 + R2? Thanks Steve
  4. M

    First inspection tomorrow and found broken cpc - advice please!

    Hello! I'm new to this so please be gentle... I have my first ever ELECSA inspection tomorrow. To prove that I know vaguely what I'm doing, I've replaced our old CU with a shiny new split load one. After dealing with wires that were too short, replacing lots of choc blocks that shouldn't be...
  5. S

    fluke 1652 tester

    hi, im just practicing a bit of testing for next year at college. i have a fluke 1652b and managed all the dead tests. however i have no instructions and having a few problems trying to perform live tests. Can anyone explain how to perform a ze and pscc and pefc. cheers
  6. M

    NICEIC Certification Scheme niceic secure login

    hi to all, basically i have just recieved my confirmation of my enrollment with the niceic, i have been sent a certificate with a enrolement number, however, i still cannot login. it says user name which i assume is the company name and password which i assume is the enrolement number. please...
  7. L

    Can someone please explain why my hammer are advertising on this forum!!!!!!

    can someone please explain why MY HAMMER are advertising on this forum please A big bar just popped up on my right, a part of this site advertising MY HAMMER I find that a complete insult !!!!!:mad:
  8. T

    Ever get the feeling customers think your out to rip them off?

    Hate it when you go to do a simple job and then somthing pops up and you go to tell the customer and they look at you blank. Like your making it up or tying to get more work out of them. :( Some times could do without the hassle of finding faults that need to be sorted out just too busy.
  9. D

    Can someone explain what a floating earth is?

    Hi all, im not sure what a floating earth is and what it offers safety wise. from a little of what ive read on the internet i think its connected to neutral and then down to earth???????:confused: but i could have read it wrong. so if someone could explain this to me please id be much...
  10. H

    Can someone explain what KVA is......

    .... and its relationship to volts/amps. If you know the wattage of an installation how do you work out the kva? Cheers in advance.
  11. C

    Can someone explain simply how 3 plate wiring is done?

    Yeah if someone could explain to me how 3 plate wiring is done, I'd appreciate it. Thanks, John
  12. A

    Please Explain Dissconection times

    Hi could somebody please explain dissconection times in simple terms coz i am thick, ie what circuits are .4 and which are 5 secons and why... thanks so much Acestu
  13. S

    Can someone explain what these things are for me please ?

    Greetings blokes ! A few weeks back I posted something on here asking what tools a starting spark needs to get together, and bless your little cotton socks what you all put was extremely helpful. Most of it was common sense but a few things got me stumped. Coul someone explain what the...
  14. sparks1234

    Can someone explain

    in the schedule of inspections, what and I quote "Electrical seperation provided for one item of current using equipment" means Ta very much
  15. E

    please explain relay settings

    We are using 10 MVA 110/11 kv Transformer for 6 MW power plant. The transformer relay setting has given (7sj621 siprotech siemens multifunctional relay) CT ratio 75 / 1 A Relay code settings 51 Ip> 0.8 Ip>> 13 What is the original tripping value and how did we calculate it...
  16. D

    Explain ''code 4''

    Hi Guys, Not used to filling in certificates for jobs just yet, so i have a question for you. I have heard about people putting in code 4 on the test sheets, can you just explain code 4 and explain why and when you use it. Thanks, all responses are appreciated...
  17. S

    Someone please explain!

    :confused: Someone please explain the following situation. All thoughts and insults are most welcome. Problem 1: 2 way switches switching only one 230v downlight. Live and neutral at the jb above in ceiling no problem. Getting 230v. Downlight connected to neutral. Live feed going to switch, I...
  18. S

    dealing with customers

    evening all, having been self employed now for about 4 months ish, im finding many jobs that are not up to scratch bonding wise etc tt system today with Ra of 543 ohms, luckily all these jobs i have been allowed by the customer to bring upto standard. im finding it hard to explain things to...
  19. L

    Explain How Electricity Works....?

    This is a question I ask alot of people, because funnierly enough people either, don't understand, or find it very hard to explain. So heres your chance to shine, and explain the theroy of electricity, and how AC circuits work. Please no silly short answers, thats replies with no answers to the...
  20. L

    Explain Three Phase?

    Hiya all, Could someone possbile explain 3 phase to me, or link us to a decent website which could tell me. I work for an industrial electricial company, but funnierly enough we havnt done much on 3 phase Cheers Luke

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