roman

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  1. B

    Snow Alvalanche from Panels

    Having already cleared several inches of snow from one ofour paths this morning, it wasn’t long before a “whoosh” noise and yes you have guessed it the snow decided to avalanche off the panels and deposit itself on the clear path. Moral of the story – don’t be too eager to clear the path. But...
  2. M

    Reverse power relay vs. Loss of excitation relay

    What's the difference between the reverse power relay and loss of excitation relay on genny's. I've read that current flows towards the genny's direction but how did the device distinguish which is which?? Thanks in advance!
    • Minetsky
    • Thread
    • generator power relay reverse roman
    • Replies: 1
    • Forum: UK Electrical Forum
  3. R

    scam questions

    I get the idea behind joint a scam for part p requirements. But what about commercial work? What's the point of been scammed for a commercial job? Reasoning as I'm just starting out on my own and was going to join one of them in the new year ( still working out who best to be scammed by lol)...
  4. S

    Cut out to big for new LEDs

    Hello all, I have been asked by a customer to replace their mainsvoltage down lights for LED’s, the cut out for the original lights is 130mm. All the LED’s I have seen so far have a cut out of 80mm max,does anyone of an LED that will fit the original cut out or will I need tobackfill with...
    • Smart Sparks
    • Thread
    • calibri led leds new out roman times
    • Replies: 2
    • Forum: UK Electrical Forum
  5. M

    PFC panel Connection

    At work in the main switch room, we have a PFC panel, connected by the 3 phases, each 300mm CSA SWA and an earth. I expected to see a power in and a power out. But there is only one set of cables, and nobody I have asked seems to know why. How does this work? I know what the PFC does and why...
  6. Christian1981

    JIB Electrotechnical Certification Scheme (ECS) JIB card

    Hi once ive finnished my 2330 and nvq can i get my gold card
  7. L

    getting 3 phase experience

    I Keep on turning down 3 phase work from contacts and/or existing customers, generally "small jobs" things like can you put in an extra 16a socket, oh of course this would be for 14.8kva welders - generally seems to be normal round these parts! so whats the best way to gain the experience and...
  8. A

    3 phase 4 wire Neutral Calculation.

    Hi all, Im still in apprentice stages of becoming a sparky and currently learning allot about 3 phase at college the moment. Can anyone share their knowledge with me on how to correctly calculate the Neutral current on a 3 phase 4 wire star system when there is an imbalance between phases e.g...
    • Andy1
    • Thread
    • 3 phase attach calculate calculation neutral phase roman wire
    • Replies: 2
    • Forum: UK Electrical Forum
  9. S

    New Garage install from SWA ring circuit....Help!

    I have a potential customer who wants me to rewire hisgarage – existing install is in a bad state with a very old DB. He currently has 2.no 2.5mm, 3 core SWA cables feeding powerto the garage DB (in a ring circuit) from a small DB (with RCD protection) nextto his main consumer supply. The...
    • Sparkylight
    • Thread
    • cables circuit garage install new ring roman swa times
    • Replies: 13
    • Forum: UK Electrical Forum
  10. I

    Shading and Solar Edge

    Hi Guys At a job today and quite a lot of shading with a chimney on the middle of roof and a big tree. I'v created a model on PV Sol and from that calculated the overall shading. Thinking I would use a Solar edge Inverter. The following is a series of images that show the modelling and the...
  11. L

    Confused - ECS card

    Confused ! And I’m hoping someone can throw some light on the situ. I’m going to apply for a ECS card. My qualifications are: C&G 2360 (1&2) in 2003 , C&G 2391 in 2009 and 17th Ed. ELECSA (I’m part P member) have informed me that 2360 + 17th Ed are equivalent to the NVQ 3 required by the ECS...
  12. L

    For Sale Kewtech KT64 Multifuntion

    For sale: MFT comes with additional leads & clips check below, they are brandnew leads, crocs & probes, Both sets of leads are over £100..New leads never used. Meter comes with calibration certificate, 9 mths left. Great little meter, Carry case & x2 soft pouches for the leads. For those of you...
  13. B

    HELP - Autosparks - Diode testing on Alternator Rectifier ??

    Hi All Got an old Combo Van with no output from alternator. Stripped it down and check rotor/fields and all OK. Desoldered rectifier from field and it has 6 diodes, put a fluke on them set to diode and have open circuit one way and .541 to .546 (with quick BEEP) the opposing way, presuming...
    • bilabonic
    • Thread
    • alternator diode rectifier roman testing times
    • Replies: 3
    • Forum: UK Electrical Forum
  14. K

    You need scrambled brains to sort this!

    This was posted on one of the other forums I go on. Just see if you can work out this fault (it's been on a bit of a body building course). Dear Sirs, In our plant we have 2no.s substations no.1 substation has a main switchboard with 2no.s11/.44KV 1600KVA tx They connected to switchboard by...
  15. E

    dead short L-N but the fuse doesn't blow?

    when doing an inspection i came accross a radial circuit serving 4 points, the IR between L-N @500V was 0.00 Mohms, on continuity between L-N I got 25 ohms. when I then energised the circuit and clamped the live, no current being drawn. I have yet to take any fronts off as it was just an...
  16. F

    test-meter.co.uk Facebook Group

    Hi Guys, for those of you that use Facebook, we have a page set up that you can follow by 'liking' us. We currently have 95 likes, and it'd be nice to see this increase to beyond 100 by the weekend! It would also be great to put a face to some forum users as well as letting you have a few...
  17. i=p/u

    drilling through under door

    is their a chance of damp getting in if you drill under door below ground level.... it will be filled in with compacted sand and paved afterwards i plan to drill 20mm hole to pipe out along to put lights on wall outside???? i cant see a proble as the sand will be compacted can you see...
  18. i=p/u

    heating sytems

    could someone with the knowledge take the time todo a thread/post about heating sytems for persons not so clued up on them. ... explaing the basics to start with ..i.e n/c, n/o and any other basics then movining onto i.e power timeclocks, time clock calls for heat, travels through thermostat...
  19. C

    Garage supply and changeover switch

    Hi, wondering if some more experienced can advise on the following set up to supply a garage and for a small generator which will be used to supply a house during power cuts. I have ran a 4mm 3core swa from non rcd protected side of consumers unit and protected by 20a mcb, route is...
    • currie123
    • Thread
    • garage generator roman supply switch times
    • Replies: 19
    • Forum: UK Electrical Forum
  20. A

    becoming an industrial sparkz

    Hi guys, I am a domestic/commercial sparks wanting to get into industrial work. Will having compex help me to get into this field or am I gonna hit dead ends even with compex due to inexperience. Any advice would be great thanks.
    • archsparkz
    • Thread
    • becoming experience industrial plant roman times
    • Replies: 12
    • Forum: UK Electrical Forum

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