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  1. M

    Reverse polarity when PV inverter switched on!?

    Hi all Very strange situation this evening. I installed a PV system around a year ago and has been working fine. Called out today as the generation meter had stopped increasing. Customers been away and only arrived back today. Western Power have recently put up a new pole in the customers...
  2. T

    Electrician Jobs Full time Electricans and Plumbers wanted in Jersey

    Full time qualified electricians and plumbers wanted in Jersey. Driving License required. Rates between £16-20 per hour. Full time contracts.
  3. G

    Problem neutrals

    Problem with neutral. The other day we had a problem with a circuit not working correctly. The circuit is a radial,wired in 4mm singles,in metal trunking powering 4 switched fused Spurs. The circuit had previously been dead tested,with no apparent problems. However when the circuit was...
  4. pete1smith

    Electrician Jobs PART TIME ELECTRICAL SUPERVISOR REQ - HERTS

    We are looking for a Part Time Supervisor who can drive between two or three New Build Sites in the Herts and Beds area. The job will entail liasing between Site Agents and Electricians, sorting out day to day problems and helping out with 1st/2nd fixes when necessary. Would suit someone who...
  5. Karin

    Potential Difference Between Neutral And Earth

    evening guys, i think i'm gonna need this one spelled out to me a little if anyone can help. everytime i think i've worked it out i just start to doubt myself and go in circles! double pole isolation is required for TT but not TN systems where neutral can be said to be reliably connected to...
  6. J

    240v Between Live And Plasterboard Wall

    came across a strange one today. Had a 3 core cable to a gas boiler and there was a fault on the boiler so when tested got 145v across the live and switch wire. Disconnected the switch wire at one end and still got 145v. Thought bad insulation so replaced cable. Still there ! Touched the end it...
  7. P

    AM2 - anyone recently done it?

    Hey all, Well ive just booked my AM2 but i have to say i'm pretty nervous about now lol. Has anyone recently done it, how did you find it? I think my main concern is the solar element in the heating plan, as not sure what to expect there and probably the fault finding as ive not done much...
  8. M

    Difference between Module type contactor and normal contactor of same amp rating

    hi guys need to know the differnece between a module type contactor and normal contactor. can we use moudle type contactor for power a distribution box with phase fauiler relay to avoid single phasing. the DB box is not the main db box its made to power three machines a vacuum / compressor...
  9. rolyberkin

    Seperation between swa cat5e and 10mm 3 core swa?

    Any issues with running them side by side, over a distance of about 35m?
  10. SJD

    Ownership of cable between meter & second cut-out

    Just been asked to look at a flat (letting agency) where the supplier has refused to install a smart meter due to issues with the cable from the meter to the installation. The cable looks very poorly secured, there is exposed N with the covering tape used loose plus it is a little over 3m...
  11. W

    Disagreement between two electricians in new kitchen installation. Who's right?

    I'm having a new kitchen fitted with a bosch 7.2KW induction hob and bosch 3.45KW oven. Electrician 1 has decommissioned the old 6mm cable from the consumer unit and replaced it with a 10mm cable connected to the old 32a fuse on the RCD side of the consumer unit. From the 10mm cable he's put a...
  12. L

    Minimum separation distance between LV underground cable and Water service

    Hi, I have noticed the following item in a new construction site. Could anyone can give me further suggestion, please. 1. What is the minimum separation distance between LV underground cable and water pipes (Cold water)? This is for new underground cable lying. Water pipe is to run parallel...
  13. M

    Quality of solar panels: quantifying the difference between "cheap" and "good" ones

    Hi, do cheap chinese solar panels really perform less well than better constructed panels? (and how would you identify these better constructed panels?) I am curious about whether they lose efficiency quicker over the years. Are there any numbers out there to quantify this loss of power over...
  14. S

    IR testing

    Hi guys, might make myself look stupid here when wanting to carry out an IR test on a lighting circuit and you have sensitive equipment that you can't disconnect,if you do an IR test linking L-N to Earth is this basically the same as testing L-N. the reason I'm asking is because I have an issue...
  15. W

    Choosing between courses, advice please!

    Hi all, Quick bit about me, I'm 25, just leaving the army after joining straight from school. I've done labouring when I have time off quite a few times, working for a family friend, I said I want to leave and he offered me a job. Mainly working in domestic work. When getting out of the army...
  16. D

    Kitchen Light will not switch off only started happening recently

    sorry if this has been posted in the incorrect place. was at a friends house and since wedensday he has been unable to turn off the kitchen light. i checked the light and all the connections are fine. at the switch I'm getting 230v between live and cpc and 230v between neutral and cpc both...
  17. D

    230 volts between N and E in lighting circuit

    Hi folks. I'm wondering if anyone can help with a lighting circuit fault I came across today that has me slightly baffled. I have a circuit consisting of about 5 standard pendants and 3 fluorescent fittings. The original problem was in relation to a 6 ft fitting needing new starters/tubes...
  18. F

    Short between N-cpc of another circuit?

    I have a lighting circuit on one RCD and ring on other RCD I'm getting neutral of ring to earth of lighting circuit fault. But clear IR between Neutral of ring and cpc of ring as far as I know the circuits are and should be electrically separated. All cables tested are tested out of terminal...
  19. R

    Plastic fitting between two pipes and electrical safety connections

    Hi again, So last night was very eventful! The fitting that sits between two pipes failed and leaked water all in the kitchen. Luckily my father was awake at the time and spotted this before any serious incident took place. We called a plumber the next morning to get the problem fixed (was...
  20. S

    Voltage between Neutral and Earth

    Hi guys, came across a fault yesterday on a job where I was getting 15v between neutral and Earth at two sockets on a ring main.if u need anymore details let me know. i am unsure what would cause this and want your expert opinion as I have never come across this problem. the installation is an...

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