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  1. B

    hot start problem

    I have an annoying problem with my Chevy Camper. When it is cold the starter turns nicely. When it is hot, the starter turns very very slowly and occasionally it will fire up. otherwise I have to leave it for ten minutes or so. I fitted a new starter and a new heavy duty battery and new...
    • blackvelvet
    • Thread
    • battery engine problem reading start starter volts
    • Replies: 5
    • Forum: Auto Electrician Forum
  2. S

    Ring Final Tests

    testing a ring final today end to end test L 0.24 N 0.24 CPC 0.37 figure of 8 L1 -CPC 2 L2 - CPC 1 0.25 L1 - N 2 L2 - N 1 no reading IR >999 cant figure out why open circuit on figure of 8 any answers?
  3. M

    Ir Testing Advice

    Hello all, Hope you all enjoyed your bank holiday! I have a question that i know someone can give me the answer to. So to keep this short i basically have a lighting circuit with 3 street lights via a time clock. Circuit goes >3 phase DB> 10amp C type Mcb > time clock > 1,2,3 street lights. I...
  4. W

    Earth Loop / Dimmer

    Had a strange one today, would appreciate folks take on it. I'm probably missing something obvious!! Installing some downlights via metal dimmer switch. Earth loop impedance was 50 ohms at last light!, at switch it was about 1.5 ohms. Dimmer fully up, voltage at light around 230 . Bypass...
  5. S

    Good, easy reading textbooks?

    Hey! First time posting here :hurray: ive been a sparky for 10 years working in mostly domestic and now I've decided to try going into another form of the industry. However I've realised that I'm not as upto scratch as I should be with certain things and would like to refresh myself. I've spent...
    • sparktacus87
    • Thread
    • book certain reading sparky things
    • Replies: 1
    • Forum: UK Electrical Forum
  6. R

    High Zs on ring final circuit

    Good morning, I was recently at a job and had a discussion with another Electrician regards a high Zs reading on a ring final circuit. R1+R2 measured 1.68ohm Ze 0.18 Tncs This puts the circuit over the permitted zs. I begun seeking out the issue. However the other electrican said...
  7. F

    Electronic Equipment and IR testing. What component causes low reading to earth?

    Insulation resistance testing with electronic equipment between L-N connected together and earth. Switch mode power supplies have EMC capacitors between L - N - E. However, when you test for IR you are using DC. Capacitors block DC. What is there in some electronic equipment that allows a...
    • FreeLec
    • Thread
    • component earth electronic equipment reading supplies switch testing
    • Replies: 0
    • Forum: UK Electrical Forum
  8. V

    how can i find a job

    Hello, I'm doing a course of electrician and soon i'm gone have my first 2 weeks of practise and i'm take 2 qualification 1 22-65 lvl 3 and second one is 23-92 inspection and tasting. If you can help me with some advise for a job wich i can start in my case. regards and sorry for my english.
  9. F

    economy 7 credit meter reading?

    Hi Have divided premises into 2. Upstairs offices, and downstairs shop. The heating is via economy 7 storage heaters. Have installed 4 DB's 1)down 24 hour 2)down economy 7 3)up 24 hour 4)up economy 7 Also installed 2 x L & G credit meters so owner can calculate/bill the down stairs which is...
    • fog
    • Thread
    • credit economy economy 7 meter meter reading reading
    • Replies: 7
    • Forum: UK Electrical Forum
  10. Soulsurfer

    Zs reading issue !

    I have a circuit of only approximately 8-9 metres from a 61009 type B 32A Rcbo to an oven & hob all run in m T&E and have got a Zs result on "No Trip" of 1.49 ohms which is not cool as I need sub 1.1 ohms to comply. Technically it's below 1667 ohms but still it's on a TN-S so efli should be well...
  11. A

    Ze/Zs of 3 phase supply

    Hey all, going over some testing before my final assesment. i've heard a couple of times when testing a 3 phase supply using a single phase to earth test you double the reading as your Ze/Zs, so if you test L1-E=0.07 Zs=0.14. also what i have done until now is test all three Lines to earth and...
  12. V

    Beko Oven Fan - Ohms reading.

    The circulation fan on my Beko oven works intermittently and gives a reading of 178 Ohms. I cant find a tech manual for beko oven fans so can someone tell me what the correct resistance reading should be.
  13. Pete999

    IR testing

    Now that I'm a retired Electrician with nothing to do other than annoy Forum members with inane posts, and browse the net. I came across some American videos about MICC installations, and having worked in the states on many occasions I found 1 vid rather interesting, a guy "Russ La Blance code...
  14. Peter Monfort

    Ring final circuit question

    When you do the continuity test on a ring final circuit and you have to connect L1 to N2 and vice versa, this assumes you know which L cable is the incoming or outgoing. I understand that if you connect L1 to N1 and vice versa the ohm readings rise then fall as you go round the ring circuit...
  15. O

    L2, L3 N & E IR test showing dead short, so why is the system working

    Hello All, I've been call to a small chapel as the power goes on and off once or twice a week. Cable is a 50mm 4C fed from a 100A 6kA MCCB 50-60m away. 4pole RCD in Chapel. Load on each phase is about 20-35A when the A/C kicks in so MCCB and cable OK for that. IR at 500V Fluke 1653B. Results...
    • old_sparky_RE
    • Thread
    • cable clamp dead electrical work ir test reading short showing system test using working
    • Replies: 15
    • Forum: UK Electrical Forum
  16. T

    Lower r2 end to end reading than r1 & rn

    Hi peeps. Doing an end to end test on a ring final circuit. R1- 0.43 RN- 0.44 R2- 0.33 Its old stranded 2.5, seems to have about 7 stands on the live n neutral conductors, and about 4 strands on the cpc conductor. Why is the r2 lower than the r1 & rn!! HELP
  17. a-z electrics

    usb charger sockets

    Anyone fitted these new sockets with integral usb charger slots? I've found you have to disconnect a supply wire when doing IR test.. might seem obvious with hindsight but caught me out the first time :dunce2:
  18. rpm2

    Ohmms reading.

    Q2 please 240v 1500w motor. a) What reading would you expect on a healthy motor? b) What reading what you expect on a faulty motor? and c) Where would you connect the meter to get the readings? I know they are daft question to you but the company expect us to find out for ourselves believe it...
  19. S

    Reading a motor plate

    I was just wondering if you could help me interpret this motor plate? I'm just learning at the moment and as I'm coming across more and more of these I'd like to make sure I'm reading them correctly. Please correct me if I'm wrong - I probably am.. Across the top it tells you it's made by...
  20. G

    2394 Question

    Whilst correctly conducting an insulation resistance test of a radial circuit supply a number of sockets-outlets, an unsatisfactory reading was obtained. State 3 steps necessary to permit the remaining test to be carried out?

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