canada

  1. G

    2 x Supplies: 1 x Circuit?

    Hi, First of all this is my first post so hello to everybody. I want to start by saying I am not a plant electrician but recently have had cause to look at some drawings that are confusing me somewhat and hope someone here can shed a little light. The situation is that there is a 240VAC...
  2. K

    Frankenstein is alive and well

    Found this site while rummaging around the net http://www.filnor.com/html/products/knife-switch.php Brings back happy memories, well except for putting my back out opening a 1200A 3ph switch.
  3. G

    Wiring interlock switches into machine controls to inch only when doors open

    One potential job that needs looking at (not been to site yet) is to fit 3 interlocks to doors on a Webster & Bennett vertical borer. The way they want it wiring is so that the table can only be inched when any of the doors are open. I'm not sure if there's an inch button though assume yes as...
    • GaryM
    • Thread
    • canada circuit contacts controls doors electricians' talk interlock machine safety switch switches when wiring
    • Replies: 10
    • Forum: Electrician Talk | All Countries
  4. S

    i am really needing help about 3 phase with 4 wires

    hi there i am starting my own company and i have just bought a new tyre machine my unit has single phase but the machine is 3 phase with 4 wires black blue brown yellow and green on the side of motor it has v-220/380 now can i use this in my unit and if so how do i go by doing it please help as...
    • stewart1980
    • Thread
    • 3 phase arial canada electrical electricians' talk help motor phase really single wires
    • Replies: 11
    • Forum: Electrician Talk | All Countries
  5. T

    Transformer in Star/ Delta connections

    In my AHU panel I have a transformer connected into the star/delta circuit (First time I've seen this) the original transformer was a 37kw with 415v 70% 60% 40% and star tappings, this transformer is now faulty so I have ordered a new one which arrived today. The problem is, on the old...
  6. W

    Electric roller door motor help.

    Hi , Can anyone help. Got an electric roller door , the door motor has been hit by a forklift truck and has damaged the wiring to the motor. The motor has no terminal box , the terminal cables just come off the windings directly. I have dissasembled the motor and found only w1,w2 winding still...
  7. G

    Generator on Farm

    Hi Had a phone call to go and look at moving a 44kva 3 phase generator on a farm. Im going to have to resupply it in swa. I havent done any work on a farm and i ve only ever installed temporary generators when the electricity board have decided not to turn up a day before a shop opens. I am...
  8. J

    schneider altivar 71

    Hi looking for a bit of advice before i go back to this machine tomorrow..... Got called in to change the inverter in the title as it had a fault with it (diagnosed by the manufacturer of the machine ??). changed it all no problems, switched it on and ran through its cycle fine but when it...
  9. C

    Star Delta Theory

    Hi All. Firstly would like to say thanks to everyone who reads this and provides any useful information. I have used the search button and have read through previous posts/ stickys before posting this. Basically I would like to understand the voltages clearer in star and delta, I know...
  10. D

    Supply Cable Size and correct socket ratings!

    Hi Guys, In our place we have several machines that are fed from 63A sockets. The supply cable to the machines is CY and currently 6mm has been used which is no good for 63A But the 63A sockets are fed by a 32A breaker. Is it ok to use the 6mm as the socket is fed by a lower rated breaker...
    • dasrik
    • Thread
    • attach cable cable size canada correct electricians' talk found machine ratings size socket supply
    • Replies: 11
    • Forum: Electrician Talk | All Countries
  11. I

    Ok, I must have done something wrong but cannot work out what, 3 phase BANG!!!

    Hi, bit of a rush job, but when double checked by me, then another spark could not work out what I did wrong. Needed a r1r2 reading on a feed from one of our DB boards to an isolator about 10m away. This circuit has been live for some time, just a double check was needed (d63 breaker was on...
    • Inteificio
    • Thread
    • 3 phase bang canada cannot electrical work electricians' talk out phase something work wrong
    • Replies: 7
    • Forum: Electrician Talk | All Countries
  12. G

    Maintenance control and documentation system

    Hi, I am looking at a system where each piece of equipment in our plant has a bar-code. This bar-code is then scanned by a portable device that will bring up a form containing the equipment check-list. This form is then filled in and stored in a data base. This can be done using an iPhone and...
  13. D

    Bonding of machinery control panels

    Hi Guys, I work for a large food factory, a couple of days ago a chap was electrocuted from a machine that had a bonding issue. Now we are being asked to check all the bonding on our machines. But before i do i want to be sure what the requirements are, so far what i have found on machinery...
  14. J

    Cable and breaker size?

    Hi all im new to this forum and im looking for some help. I need a 63kw 3 phase supply to run a machine in a commercial building, the cable run is 25 or 30 meters roughly. I was going to run in a 35 square cable to the machine and there is an existing isolation breaker at the main mcc with 3 x...
  15. G

    Machine safety relay or not?

    Hi, I have an industrial mixer at work that used to be powered by a dual speed motor. These particular motors are expensive and not always easy to get off the shelf in the event of a breakdown. I have replaced this a 4 pole single speed motor, controlled by an Inverter. The old motor was...
  16. I

    http://www.venturelighting.com/lampshtmldocuments/uni-form_400w_lamps.html

    Hi, Am new to industrial lighting, so have been hammering data sheets for the last few days and these seem VERY good. Fast power up/restrike, very efficient. http://www.venturelighting.com/lampshtmldocuments/uni-form_400w_lamps.html The only issue is as I am new I am probably overlooking...
  17. J

    50mm end ferrule tool

    does anyone know where to get a 50mm end ferrule crimping tool cant find them online anywhere
  18. G

    cooker

    my boss has asked me to work out the design current for a 10.8Kw 3 phase cooker for a commercial kitchen... Now then....according to the osg (p97) table 1b column 3 it states that its to be 100% full load then 80% for other appliances on this circuit. So 10.8 Kw equates to 47A so is that 47A...
  19. R

    wiring up a new circuit board in a workshop

    Hi guys, I have got a circuit breaker in my workshop and i want to use it to run lights, sockets for tools and some outdoor lighting and water feature ect. I have already connected the end to the new circuit board in the shed and run the armoured cable underground to the circuit board in the...
    • richardshall
    • Thread
    • board canada circuit electrical work electricians' talk new wiring workshop
    • Replies: 45
    • Forum: Electrician Talk | All Countries
  20. 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
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