commercial

  1. T

    I Need Work Looking for work as Mate in/around Coventry/West Mids. Trying to get started in commercial.

    Hi, Currently studying C&G 2365 Diploma Level 3 & 18th Ed (on hold due to Covid19 situation, one week left), looking to get into commercial jobs as a mate. Ideal location in and around Coventry and Warwickshire/West Midlands. Have been working with a local domestic electrician since Sept 2019...
  2. James

    Lenze lecom a/b

    Lenze lecom a/b For programming 8200 series drives Anyone got one of these adapters? I need one ASAP and they are on 10day lead time from Germany. I am happy to purchase if it is surplus to your requirements or If you are kind enough to lend me one for a few days, I would return it with a £50...
  3. robertl

    3 phase 2 speed motor from single phase

    Hello everyone I have just bought a new lathe, (used) its on its way to me from other end of the country now. I have only just realised i may have an issue. The machine is 3 phase and i was intending to go down the VFD route but because its a dual speed motor im not sure i can. See attached...
  4. V

    three phase board separation

    hello everyone, I have a little problem. I've got a three phase board, it has the three phase sauna, one phase lighting and sockets connected to it. The problem i am facing right now. This is a comercial unit. So the problem is that the sauna makes the RCD trip every so often. And the board...
  5. DannyJS

    Job interview for prison spark. Advice please?

    Morning, I have an interview for a local prison, position is maintenance spark (mate/supporting the electrician). Anyone on here worked on electrics in a prison before? I am after any last minute advice on what types of electrics are involved? Any nuggets of knowledge that would help me...
  6. G

    Phase converter

    Hi needing to purchase a single phase to three phase converter to run this motor what would you recommend? Thankyou
  7. Zdb

    Computer earth leakage value (mA)

    I know every computer/equipment type will have a slighty different earth leakage stated by the manufacturer, however I was wondering what people use as a "rule of thumb" value when designing ring final circuits in offices intended to be used for computers. I was thinking 1.5mA per computer inc...
  8. Johnsty32

    I Need Work Electrician

    Hi everyone I’m looking for work opportunities I’m from Newcastle upon Tyne but don’t mind working away from home . I also have Dsb clearance to work in Norway thanks ??
  9. A

    3 phase gen set neutral/earth

    Hi guys/gals I have been asked to install some 230v sockets and lights in an old refrigerated trailer, that would be used as a store on a quarry site. The trailer has a 3 phase generator built on to the side to originaly work the refrigeration unit, but as everything involved with the...
  10. H

    208V Single phase wiring from 3 phase 4 wire disconnect

    I work in a location that was once a Machine shop showroom. We have 208/230/480 etc in the building. I need to install a temperature chamber that requires single phase only 208V or 230V supply. I have a 100 amp rated disconnect literally in the exact location this needs to go. I've read for...
  11. D

    Help on Identifying a PLC and electro-magnetic commercial start/stop/retain relay system

    So for one of my tasks on my assessment I've bee asked this question: To ensure that the conveyor system is safe and complies with legislation, compare the construction and operation of an elecro-magnetic relay system with a PLC system that controls a 3-phase contactor. Include appropriate...
  12. Davisonp

    I would like an opinion on two things I am concerned about.

    Hi, I would like an opinion on two things I am concerned about. Background. ----------- I have done some work for a church that has bought a derelict farm. They demolished some of the derelict buildings and put up wood structures on the same footprint in 2012. The builders produced no...
  13. L

    Suitability of circuit accessories.

    Hi all, Hopefully this is being posted in the right place, apologies if not or if my question has been previously answered. I'm currently having a bit of a disagreement with my supervisor having carried out an inspection which is for all intents & purposes, a condition report on a living...
  14. The apprentice

    commercial kitchen (pub)

    Hi there just a quick question we have wired a commercial kitchen and work tops, extract canopy, are all metal etc the whole installation will be RCD protected but will we install supplementary bonding shall it be required ? or is it OK with the use of RCD protection thanks in advance really...
  15. N

    Standy generator control panel issues

    Control panel attached to the standby diesel generator gets frequently damage despite of earthing of the body and separate grounding of the generator.What might be the causes to damage the control panel of the generator frequently during lightning sound and light rain condition? only backup...
  16. N

    types of earthing to be carried out for 3 phase standby generator which is separately driven system

    3 phase standby generator of rating 30KVA is to be install in the lightning prone area. The utility main line is TT arrangement where neutral point is grounded with 3 phase and neutral wire provided to load system. A separately driven generator ( standby generator) is also needd with TT...
  17. James

    3 phase alternate supply

    I don't normally get involved with domestic work but this job is for a family member so I cant Simpley say no. the house is a large property with a 3 phase 100A supply. I think the earthing is TT but not 100% sure of that yet. customer has bought a 12.5Kva generator to use as a backup supply...
  18. K

    Japanese 3 Phase Wiring

    Hi, I hoping someone can assist me. I’ve taken delivery of a control box from Japan, which is powered by 3 phase at 200v. The wires are red, black, white and green. Any ideas how or if I can wire this to make work in the UK via standard 240v or 110v please?
  19. E

    380v Machine in the UK

    Hi there, I have purchased a machine from Europe. It is 380v. Our usual electrician is unsure how to install and whether we need a transformer. Can anyone help? If we do need a transformer can someone please point me in the right direction as, so far, layman's googling has failed me. Thank you...
  20. T

    UK Maintenance in a commercial building/quals?

    Hi all, I’ve just joined the forum in the hope that I can clarify the route I should take. I was self employed for many years doing domestic work. In this time I worked with electricians and gained a fair bit of knowledge and experience, I’ve also worked with gas engineers and helped with fault...

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