hey guys also will he extension cords i buy from hardware store work on 220v outlets?

If you're talking about one of those funky plugs used for fridges, washers, & dryers. The one with 3 flat prongs placed like their on the circumference of a circle. Then I suggest trying Home Depot. I kinda doubt if they have that end on a pre-made extension cord with a regular plug on the other, you'll probably have a better chance buying elecrical cord off the spool and having them put the ends on for you, they may have those plug ends to put on their cords.

The only other thing I can think of is to call a US mfg and have them make you a special order, but that would probably cost an arm and a leg.

I fucking dont believe what i have read !!

Look here for your answers!!!

Experienced Electrician here to answer any and all Growroom ELECTRICAL QUESTIONS

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LEGAL MONTANA MEDICAL PATIENT (ORGANIC) http://www.rollitup.org/grow-journals/195038-organic-montana-medical-grow.html#post2510183

i only use one 1000w hps on that cord and that cord is run all alone on its own circuit. with a circuit breaker.