commercial

  1. The apprentice

    LED DRIVER

    hi guys panel lighting which has a driver in them above a foam tiled office my question is that the twin and earth feeding the driver is not earthed my some people are saying well a pendant dosent have an earth what do you guys think
  2. J

    school caretaker worries

    I have a question on electrical work in schools. I'm a caretaker in a school with over 1500 kids in West Sussex and recently the school has employed a maintenance man that says he is a qualified electrician... I'm not sure he is as I know using insulation tape on live wires and poking them...
  3. T

    Advice for a possible job change?

    Hi all, Apologies if this is in the wrong place. I was wondering if anyone had any advice for me in regards to where to begin my search for a new job. I’m currently a commercial/industrial electrician and have been with my current place for just over a year. I moved there from a domestic...
  4. J

    USA BX in commercial buildings

    Hey so I am renting a large office space in NJ that used to be a school. The space is about 13k sq ft, with drop ceilings and there are fluorescent units throughout. I am slowly replacing all of the units with either pendant or led panels. What I’ve realized is that 98% of the wiring for these...
  5. P

    Siemens Stratum DB spares

    Can anyone please tell me where I can obtain spares for Siemens Stratum 400 DB’s or is there anything currently available that is genuinely compatible? I did manage to obtain some spares which were used but found some in a questionable condition. I saw in another thread someone said some Wylex...
  6. V

    Series parallel motor starter with auto off proximity sensor

    Hi All A while ago a customer asked us to move a 1970s single phase corn mill and return it to use. It had an old series parallel starter with a lever on it ..which we replaced with a crompton controls series 3000 starter...all good and running. Now they had another ip rated box attached to...
  7. T

    Commercial fridge Titan XTO-40-G power supply

    I'm having a hard time reaching this manufacturer for answers. Can someone help me try to use the following product? Titan open air refrigerator voltage 220 amps 8.5 hz 60 phase 1 plug type NEMA L14-20 I'm facing 2 issues, the plug type is not common, I believe it is a twist and lock type and...
  8. J

    Sump Controller

    Can't seem to figure out the issue on a sump controller I am working on. It is a pre-built controller box, set up for two pumps (lead/lag pump system) and a 4 float system (stop,lead,lag,alarm). Both pumps are 120v, as is the control circuit. The contactor is a 3 pole contactor but shipped out...
  9. J

    Specialist Electrical Services

    Wire & Fiber UK brings a wealth of experience of specialist services, giving our new and existing clients the peace of mind when it comes to protecting their people, property and assets. We can deliver an array of technical installations including: Fire & Security - integrated or...
  10. EddieSparks

    400 amp 3ph, Harvey Hubbell isolators, (seized up)

    Tomorrow night, 5/12/19; I have got a job at a southern water pumping station to investigate a seized isolator. The isolator is a 400amp 3 phase Harvey Hubbell from about 1960’s. it is stuck in the closed position. We are able to remove the Handle and take the door off to game access. Has anyone...
  11. dlt27

    Motor starter help.

    Hi all, thanks again for any input. I have been asked to look at this starter as motor starts ok, but when switches over to run motor stops and starter just hums. First of all like I’ve said in previous posts I haven’t had a lot of experience with motors/ starters etc Am I right in thinking this...
  12. R

    Is someone trying to rip a customer off? Advice on a Fire Risk Assessment

    Hi So a customer of mine has just had his fire extinguishers tested and for some reason the guy doing the fire extinguisher check removed this 600x600 flat LED panel and looked above it and said that what he sees is not safe and it's a fire risk. He proceeded to quote £600 to have 7 of these...
  13. J

    Looking for books that’s go into detail on heating systems

    Looking for books that go into detail on heating systems especially S Plan and also wiring on commercial plots such as communial flats etc thanks in advance !
  14. R

    Flex to LCMs

    Hi guys, I'm currently on a job where we are changing a ---- load of old t5 panel lights over to LED, in ceiling grids. Now all these are wired to central LCMs or the occasional Klik and the flexs are no more than 5m. I feel like I should be throwing a few metal cable ties here there and...
  15. T

    Combing two incoming municipal electricity supplies

    I've an interesting problem. I've got an potential client. It is a commercial property that used to be two separate businesses each with a separate 60 Amp single phase electricity municipal electricity supplies to the same building. The one company has gone bust while the other one has grown...
  16. I

    New SWA to flats from head

    Hi Guys, First time posting but I've been commissioned with essentially running new cables from the head to 5 flats, due to the ground floor flat not allowing us to run the cables through their flat to the next one we will have to come out of the basement and upto the roof and then down the...
  17. The apprentice

    earthing of steel trunking

    hi guys just bare with me please still learning lol! if i have connected my steel trunking to the metal frame work via bush and cuplin and and the steel frame is earthed and i can prove continuity from my trunking to the steel work do i still need to earth my steel trunking and also do i need...
  18. N

    Can you hide a fire alarm panel in a commercial premises?

    Fire alarm panel currently installed in a high street premises signed off by building regs. Looking to install a stud partition in-front of all electrical services (including the fire panel) which are access via an unsecured hinged wall panel. Does this still meet regulations? Can anyone help...
  19. M

    EIC commercial property

    Hi, I’m researching a small building project. The building is an artist studio block, tenant requires cladding one wall and moving two fluorescent fittings to a higher position on the wall. Landlord is requesting EIC for the electrical work. I understand Part P would consider this minor and...
  20. D

    Any ideas how to solve this?

    Water is being sucked up though the armoured cables and is corroding the armourings , after hours of investigating I'm unable to find the cause as other ends not wet so must be a joint under ground,buried not accessable the last sparky gave this a code 2 but not solved the issue, Is there...

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