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  1. PLCs, VFDs, Motors and Controls
    Hey everyone. I have a question and I know the answer is most likely something simple but y damn brain is just not clicking today. We have a 480v 3 phase 80Gal compressor I assume that the internal contactor would utilize a leg of 277v to pull in the motor starter coming from the pressure switch...
  2. Looking To Hire
    My company is seeking an electrical contracting company to install a service mast, and install and wire up an 240V 800A, 3-phase i-line combo electrical panel, install several 50-amp Hubbell outlets, and install a large warehouse exhaust fan/motor. The work is expected to take no more than 10...
  3. Canadian Electrical Forum
    Hey all, First post here on the site! My name is Alex MacCallum me and my grandfather are electrical contractors on PEI. Hes been in the business for almost 50 years and the last 7 hes been prepping me to take over. He hasn't did a 400A 3ph 120/208 service in years and remembers the just of it...
  4. General Electrical Discussion
    Hello all. Just today I helped install a new ingersoll rand 15hp 3phase air compressor Model up6-15ctas-150 We ran #6 on a 60a breaker. When we went to turn it on for the first time, it tried to start and then tripped the breaker??? We didn't hook up the optional 120v dryer circuit, could this...
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