canada

  1. G

    Cable glands for thick metal sheet

    Hi, Just wondering if anyone knows of a gland for protecting a cable through 6-8mm thick metal? I could drill and tap ordinary glands but I have loads to do and looking for easier option. I am considering using bushings but would prefer thight fitting gland Cheers
  2. C

    Can MV and LV switchboards be installed side by side?

    I have a substation with some 6.6kV, 22kV and 415V LV switchboards. Due to space constraints, I am considering installing a 6.6kV Neutral Grounding Cubicle of the diesel generator of the substation directly beside a row of LV switchboards. However, my only concern if it is okay to have MV and LV...
  3. B

    Equivalent makes?

    Hi guys, Posted this in the general forum but not getting any joy. Came across a Clipseal 4w 3phase board in a beauty salon. 3 phase supply but not required, all circuits single phase with no heavy loading. No RCD protection, bonding, installation never been tested, looks like a DIY job. Are...
  4. C

    Hello From Canada

    Hi Everyone, My name is Robert and I currently live in Calgary, Alberta, Canada. I am originally from London and moved here 16 years ago after leaving the Army. I re-trained in Calgary as an Electrician and then went on to receive my Master Electrician designation. I mainly work in the...
  5. P

    3 phase

    Hi all, could anyone advise me, I have a customer who has a 3 phase forklift battery charger running on 100amps. He now wants to tap off that suppy to run a 35amp cutting machine(415v). Can I tap off the knockout switch to run both machines? they are on 6mm cable. thanks, patpete.
  6. E

    Making off in main switch

    Hi guys, Have to make off some 95mm lugs onto an old Bill main switch, which has 160A fuses. There are 4 terminals with an M10 dome head bolt with a square shank for the 3 phases and neutral, and there are currently 2 lugs on each bolt, 1 feeding a main dis board and 1 feeding a new switch fuse...
  7. S

    yy cable advantages

    sorry i v reposted as i meant yy cable so can anybody tell me why this would be used insted of twin and earth for genral lighting and power as yy is a controll cable and mor expensive than twin and earth.
  8. S

    s y cable advantages and disadvantages

    why would you use yy cable for general lighting and power in a commercial environment over twin and earth, any ideas? what would be advantages and disadvantages any help would be grateful. thanks sorry yy not sy
  9. K

    Industrial Energy Consumption

    Hi all, Just signed up to this forum in the hope someone could help me out with a project I have going on. I have been searching the net trying to find the energy consumption data for typical industrial facility that is used for a large online retailer such as Amazon with no luck at all. Now I...
  10. I

    Sulphur Plasma Lighting

    I have always been a theoretical fan of this lighting solution since I found out about it, but cannot get any quotes! Does anyone know any UK company that can supply these lamps and the approximate costings? I am assuming they would have to be a **** take on the prices otherwise they would be...
  11. S

    Submersible Pump...

    Hi guys, I may sound like a bit of a thicko but I am puzzled by something at the mo. I am installing a 7.5kW 3P balanced submersible pump in a concrete collection chamber. The sealed leads that came with the pump were not long enough to reach the control box so I was given a resin joint kit to...
  12. G

    Plug-in Em Stops.

    Right, I'm having my pants pulled down over a couple plug in em stops for a rubble moving mobile conveyor system. Basically the users of the conveyors still work with flint & wear loin cloth so everything gets broken all the time. From the manuf, these plug in units are £65+vat, which I think...
  13. N

    Great alteration

    Got called to a fault at commercial premises yesterday and thought i would share what i found. The initial call was to an isolator which was worn and kept going off so did the usual isolation and was a bit confused as breaker was single phase and isolator was tp&n, took cover off and found out...
  14. D

    Main Earth Bonding in a Commercial

    Hi, need abit of help in regards to earth bonding. I'm working on a building with 10 studio flats and all the plumbing is done in plastic pips apart from the terminations of the shower and the water heater. the main incoming water supply is via a blue plastic pipe, which goes into a manifold...
  15. D

    You think the industry is tightening up on safety then i walk on this site......

    Just got a random call from a guy based in bristol asking me if i could go to a building site local to me in Bradford and look at a cable thats sparking for him as they supply the generators and cables, well not for one to turn down what seems a quick repair job i popped over. It turned out to...
  16. L

    Prospective Fault Current

    Hi Guys, We measured PSCC on a three phase dist board in a commercial establishment. This board is fed from a main switch board with a main 400Amp switchfuse with BS88-2 fuses rated at 88kA. Feeding a second 160Amp switchfuse with BS88-2 fuses protecting the cabling to the board we were...
  17. V

    Educating people about poor practices?can it be done?

    Getting thoroughly fed up with the general state of where I work. Ok,it's an old place and of course wirings changed a lot over the years but in our game I'd say good drawings etc are even more important than a neatly wired panel and that's where this place massively falls down. Everywhere I...
  18. E

    Emergency lighting regs

    What are the laws /regulations on emergency lights? In a church hall we have lots of the 13W non maintained type that come on when the mains fails. The ones at exits have the green exit sign on them. But the joined on church (medieval type anglican) has one over main exit only with no green...
  19. T

    baldor 1 hp ac motor wiring from 110 to 220

    Please help, I'm using a Baldor 1hp 110ac motor in Italy (220) with a transformer, It's causing many problems with heating, I was told that changing the wiring the motor could run from 110 to 220 except i have no diagram and the 9 wires coming out of the housing are all the same color with...
  20. G

    RCD protection for portable equipment with Inverters

    Hi, I know this has been covered before and I don't mean to repeat questions. I am looking to get some opinions on a problem I have encountered in the past and have experienced recently. I have a machine with two 3ph motors which are controlled by Inverters. They are 1ph - 3ph Inverters. The...
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