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Jul 21st, 2025 | | | | Joined: Aug 2001 Posts: 35 Member | | Member Joined: Aug 2001 Posts: 35 | I got my new compressor (I've been talking about it and asking questions for several weeks...).
I have a couple questions about wiring it - no plug, needs to be wired. I was figuring on wiring on a heavy duty plug and wiring an outlet for 220 rather than direct wiring the compressor - hows that sound?
The motor says 15A - will a 30A breaker be enough to handle the start up spike? Don't want to blow the breaker each time and don't want to dim the house lights. | | | | | Joined: Jan 2000 Posts: 1,586 Extreme Gabster | | Extreme Gabster Joined: Jan 2000 Posts: 1,586 | Yes cord connected for a compressor like yours is legal.If the motor data plate says 15 amps FLA (full load amps), then a 20 amp breaker will be adequate. The breaker should be labeled HACR, meaning its motor rated.The wiring apacity rating should be 125% of the motor amps.#12 wire is close enough. Buy the proper receptacle and male cord cap rated for 20 amps at 240 volt, 2 prong plus a ground.As Ken mentioned before ,home compressors have built in overload protection so your good to go.Have fun. | | | | | | Anonymous Unregistered | | Anonymous Unregistered | Tony or Ken could you maybe post something on how to make a phase converter out of a electric motor(wiring,HP and stuff).Did it with and old timer many years ago,but he just passed away (at the age of 93 he was still workin) and i have no one to teach me all the wonderful stuff he had taught me.  I have a small box style one to run my bridgeport but am buying a bigger 3 phase lathe and the motor to change it over would be real expensive.I only need about half power for it so the converter would work ok.(no weldor stuff) Thanks Bruce | | | | | Joined: Jan 2000 Posts: 1,586 Extreme Gabster | | Extreme Gabster Joined: Jan 2000 Posts: 1,586 | Old phase convertors were mechanical devices.I haven't seen one in years. Today you can buy a small solid state converter for a few hundred bucks.. I think they make models up to 5 HP.They work fine for motor like a mill that doesn't start with a load on it.Phase converters don't supply true 3 phase power but a modified single phase power. This is not something I'm real familar with as I do mostly power distribution work.Most wireman look at phase converters like putting a 4 bbl carb on single barrel adapter.I Have installed the new solid state ones a few times for friends. They were satisified with the operation. | | | | | Joined: Nov 2001 Posts: 72 Member | | Member Joined: Nov 2001 Posts: 72 | Phat,
Check your e-mail. I just sent you some 3 phase diagrams.
Dennis | | |
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