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ausie elec

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  1. S

    How to co-ordinate circuit breakers trip for overload and short circuit?

    Can 50A B type circuit breaker be coordinated with upstream 50A C type circuit breaker to trip earlier on shorts and current overloads?
  2. S

    Earthing Light Switch

    Does AS/NZS 3000 require to earth metal wall box behind switch or socket outlet?
  3. S

    Fuse to Circuit Breaker Equivalence

    Replace of 45amp Fuse with 50amp CB on 10mm2 cable? Is this okay because of the 0.9 derating of fuse to overloads and because 10mm2 can handle 50Amp current. Installation in air equivalent double brick unit?
  4. B

    WANT TO WORK IN A TROPICAL PARADISE, AUSTRALIA?

    BH Electrics, is growing our team. Located in beautiful Port Douglas, Far North Queensland provides electrical solutions to commercial, residential, and government clients within the Port Douglas, North Cairns and surrounding community. Our award-winning company has ongoing maintenance and...
  5. E

    Earthing Arrangements

    Minimum requirements for earthing a steel framed shed? 4x3m As3000 once again giving conflicting advice.. Incoming submain 6mm TPS 2 Core plus earth. Incoming earth with 6mm is 2.5mm. Section 5 of As3000 states that because my incoming is 6mm my earth to shed can be 2.5mm. However, minimum...
  6. TradeNSW

    Cable from the main switchboard to the sub board in a unit

    Hey guys, thinking of relocating my sub board in my unit to a new location. Does the cable from the main switch Board to the sub board need to be a continuous run or am I able to put a junction box and extend the main cable to its new location?
  7. G

    Learning to program a VFD

    So i have wired up my VFD, turned it on and all funstions appear to be running. So reading the instruction manual i get that i have to program each function to run the 3 phase machine i have, but i am a little confused. The VFD also has a manual configuration panel that is separate from the...
  8. J

    Vertical Heated Towel Rails

    Good day, I would like to ask what the experience is on vertical heated towel rail installations as opposed to the heated ladder rails. What are the common difficulties you run into and is it more time consuming to install than the ladder rails? To me, it doesn't make much sense, even though it...
  9. J

    PVC conduit and glue

    Is it a must to glue PVC joins that are above ground?
  10. D

    Free Wireless training for Electricians

    We are hosting a hands on technical session on Wireless for Electricians @ Parramatta (Sydney) on 15th of Feb staring @ 1:30pm, followed by drinks @ 4pm. Registrations: Troubleshooting Wi-Fi and Camera Issues for Electricians -...
  11. G

    Adapting a 3 phase industrial machine to single phase

    Hello, I am hoping this is in the correct forum. To start, I acquired a film processing machine that runs on 3 phase. Now before getting the machine I fully understood it's power requirements and the cost of getting 3 phase installed at my house. I figured as processors are mostly a few...
  12. N

    What are these transformer looking things I have been seeing?

    Hi. I have seen these transformer like things on the higher voltage powerlines when I go to regional areas in NSW and I was wondering what they are? I can't remember seeing them where I come from (Central Coast NSW) They couldn't be transformers because they are not connected to any other...
  13. M

    Which contactor utilization category for electronically controlled motors: AC-1, AC-7a, AC-7b ...?

    Many devices with motors in them now have electronic controls, e.g. "inverter" aircons/fridges. Many include include soft-start and power-factor correction, etc. Should these devices still be considered as inductive/motor loads (AC7b) or a different utilization category?
  14. Andy90

    Validate new Light Switch Replacement

    Had to replace a Light Switch with a faulty dimmer. The New Light Switch is wired different from the old one but appears to work ok Can someone with Aus Electrical knowledge tell me why: - Old Light Switch was wired using Terminal 1 and 2 - Whereas New Light Switch uses only Terminal 1 and C...
  15. thesmidy

    lock a PowerPoint on

    I have been requested to lock a PowerPoint on for a freezer. so it cant be turned off or unplugged. The only way I can think to do this is a weatherproof enclosure with a clear lid and padlock on it. But my question is this legal to have a PowerPoint locked in an on position ?? thanks
  16. H

    LIGHTING TOWERS EARTH STAKES

    Is earthing stakes mandatory here in Australia, for mobile lighting towers in mining?
  17. farmerfa

    Philips Hue Bulb Watt Compatibility for Ceiling Light Installation

    Hi everyone, I need some advice please. I'm thinking of buying a few of these for the house: https://lights4less.com.au/products/peg-diy-suspension-300mm-black-ol2010-30bk They look very easy to install and looks nice too. It says max wattage is 60w. I will be using a Philips Hue 100w LED...
  18. O

    Led strip lighting issues

    Hi all. I just wanted to see if anyone has had issues with Fans on the same lighting Cct as LED strip lights. I have a job where the fan mech on the the next switch down on the same light Cct turns a LED strip on and off when running through the Fan speeds. Its not a switched active and the...
  19. W

    Conduit adapter sealing

    How are you supposed to watertight seal pvc conduit adapters (plain to screw) when penetrating a weatherproof junction box?
  20. W

    Can you do a installation for family in Qld and not need a contractors licence?

    Can you do a installation for family in Qld and not need a contractors licence?

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