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I’m confused, how could both sides be running off of the same leg? I haven’t had a chance to look at panel since yesterday, working a 14hour shift. I know the panel is federal pioneer with stab lok breakers, with a square D sub panel. I know the FP Stab Lok double poles are pretty narrow but...

I have a basic knowledge with electrical, I worked as an electrician labourer for a year but was 17 years ago

No it reads 0

Ya, with the multimeter I put one lead in the ground then put the other lead in each hot side at a time, each side read 120

Also, why would my 2 400w digit ballast that say 120/240 right on them not work either?

Wasn’t supposed to be, I paid the 429.99 + tax came to 460 something

https://www.growlights.ca/growlights/square-wave-grow-star-945w-cmh-complete-kit-double-ended-de-240v-only.html Sorry this is the link

It’s fusion bright, I bought from growlights.ca. It ran me $429 CAD. Here’s the link https://www.rollitup.org/t/240v-cmh-help.998836/

It also starts instantly when plugged into 120

I have tried 12/2 wire as well, the last thing I tried was 2 15 amp 120 breakers, which is still what’s hooked up, and reading 120 both sides. I tried writing the company who sold it to me but no reply yet.

Yes it’s a square wave, it’s actually 945w. I got my multi meter out, both sides are reading 120 in the outlet. I also have 2 400w digital ballasts that say they’re 120/240 and they are by working on 240 either, doesn’t seem to be any switch or anything on them to change the voltage on them either

I have one, don’t know if batteries are good, will try to dig it out and keep you posted

I just purchased a new 1000w CMH light, the ballast says 240v only. I went out and bought a nema 6-20 receptacle and a double pole 240 and some 14/2 wire. I ran and mounted the receptacle 6 feet away from the panel, hooked up the two hot lines on each pole on the 20 amp breaker and grounded the...