canada

  1. W

    What do I need

    Hi Peeps I am a electrical maintance engineer, I love working on machinery all I have is a c&g 2323 I want to start my own buisness working on the industrial side of things ie fault finding service repair what other qualification will i need been doing this for a number of years. Any info will...
  2. W

    removing & reinstalling tap off box for overhead industrial busbar 400v

    I have to remove a tap off box from a 400v overhead industrial busbar system , just need to know if there is a set procedure for the removal and installation of the tapin box
  3. M

    Siemens S7 PLC SD memory card

    Hi guys, i've been trying to copy the program on an S7 EPROM mmc and backing it up to another, I'm using a siemens field pc to read the program, i can Copy but not paste, I can't find any way to duplicate what's on it, for some reason the plc will not let me communicate through the mpi. Any ideas?
  4. C

    inverter with batteries v generator

    Hi, I run a catering vehicle with a generator but I want tofind out if I can run it off an inverter with batteries but don’t know how manybatteries I would require which would probably be 6 or 12v @280 ah which Iwould need to last for upto nine hours without dropping below the 80% dischargeper...
  5. S

    Handy Electrical Bible

    I always try to plug this ebook as it is a fantastic and handy reference for most involved in industrial electrics. It contains references to: Switching, control, visualization Electronic motor starters and drives Pilot devices Cam switches Contactors and relays Motor-protective...
  6. U

    How To Connect ATS (Automatic Transfer Switch)

    Hi, I need to know How To connect 3 Phase Power supply + automatic transfer switch + Generator please give me a Complete diagram . Thanks In Advance.
  7. W

    Setting timer from star contactor change to delta contactor

    Hello everyone. I would like to know how many second we need to set on timer to change the star contactor to delta contactor. Is it depend on motor rating. let's say i have 10hp motor. so how many second should i set on timer? Thanks
  8. K

    Marina socket size for pleasure craft

    hello, I am looking for information with regards to size of pleasure craft to its power supply. The boat sizes are 13m,16m and 32m I have googled this and have had no luck, Any help with this would be really appreciated.
  9. S

    Mechanical Protection vs RCD Requirements

    Hi, being asked to look at an existing commercial setup where 3 large rooms are rented out to different commercial tenants (picture rooms 1, 2 and 3 adjacent and in order left to right). The point of supply is inside room 1 and is single phase with a main board. Room 1 is occupied by a tenant...
  10. johnboy6083

    lighting design

    hi fellas, ive been trying to learn how to design lighting, as its an area i have almost no knowledge in, other than installing the fittings ect. Im trying to decipher ho to get UF factors, and MF factors, in order to calculate how many fittings are required to illuminate the fictional fire...
  11. M

    convenience store install

    Hello all, Wondering if anyone has any experience of Arneg Panama commercial fridge units? I have been asked to quote for a full new installation in a convenience store and this will include provision for 5 of these units AND (I'm told) the condensing units that come with them. I have surveyed...
  12. S

    Control panel indicators.

    Hi just a quick question here, i have to make a small control panel which will have a N/C contactor which will open by the use of a keyswitch to test the batteries of a charging unit. The consultants have asked for a power on indicator from the two supplies operated by the contactor, which is...
  13. dlt27

    3 phase meter

    The company I work for sent out some guys to connect up some temps through a 3 phase meter. Now the circuit was fed via an existing board with a 63A breaker and the existing board was backed up by a 160 amp mccb.(plus an rcd for the sub-main). The 3 phase meter so I have been told went up in...
  14. H

    Explosion Proof Wiring Systems

    Hello every one, I am a new user or you may say a new installer of explosion proof wiring systems. Any one please tell me about the Conduit fittings, lighting fitures and heat proof wiring cables used in Explosion proof wiring in Petroleum Gantries. Thanks, awaiting for responses...
  15. F

    Domestic/commercial electrician looking to move to canada

    I am looking to move to toronto to work, Im qualified with 17th edition and been working for the last 9 years. Ive mostly been doing domestic rewires, some shop fits schools etc. How easy would it be to get into the same kind of work in toronto, and whats the deal with recruitment agencys...
    • fafafa
    • Thread
    • aus canada commercial domestic electric electrical electrician looking
    • Replies: 2
    • Forum: Domestic Electrician Forum
  16. S

    SWA earthing arrnagements

    Morning All! I have recently started work on a commercial site with a company installing air-con, the system that I have questions on is thus; 35mm2 4 core SWA as main supply to the board, where the armour is used as a CPC, which then feeds 10 x 3 phase circuits, supplied via 1.5mm2 4 core...
  17. G

    How to size a Auto Transformer Tapping % for a Pump motor ? Thanks

    Dear all, as suggested by the factory a Auto transformer tapping is 52% for our pump motor, which is 380V 3 phase. As a result, I should demonstrate how's come the setting is 52 % for the captioned motor. May I know for the calculation for it? what kind of information i should know before...
  18. P

    Emergency Lighting

    Hi Guys, I am doing the emergency lighting for our local church, it's a one story building, with offices and kitchen as well as the typical chapel & hall. The Fire safety officer has come in and asked them do install emergency lighting and fire alarm. I've been doing the Electrical work there...
  19. K

    Cathodic Protection

    Following a talk in the background with Chr!s I’m opening this as a discussion not a question. The aim is to share peoples experience and knowledge of cathodic protection and earthing systems. For myself, my experience is slightly off kilter to where I’m hoping the thread will go. Basically...
  20. A

    TN-S or TNC-S

    Hello folks. Need a bit of direction on this one. I went on a survey job the other week, and i need some opinions if the photo shows a TN-S or a TNC-S system? I took a measurment of the Ze, which was 0.54ohms, which suggests a TN-S, but looking at the earth block next to the cut out, there is a...
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