The wiring in 220 vs 110 is substantially different. 110 can not handle the current. Never alter electrical unless you know what you are doing. The last thing some one needs is to die in a fire when trying to save a few bucks for growing weed. Just my .02.
In what way? I think I have a strong understanding household electrical wiring. I installed 2 240V circuits and 3 120V circuits in my basement (in addition to wiring many large grow op. AFAIK, the only differences between them occur at the ends of the wire. The wire itself is the same. Obviously you need the right gauge for the amount of current you're using. Since the power consumption of the light does not change, switching from 120V to 240V will reduce the current ~50%. The advantage of using a 240V circuit is being able to draw more power (Watts) from the same amount of current (Amps) because of the higher potential (Voltage). Power = Voltage x Current. Double the voltage, and you half the current.
You're right that the connections made at both end differ significantly, but how is the wire different? At the breaker, the difference is the white wire is hot (in opposite phase from black). At the outlet, it's just a different type of outlet. So really the only difference is where you connect the white wire at the breaker.
That being said, I wholeheartedly agree with your warning about doing electrical without knowing what you're doing. If you have ANY doubts at all when doing electrical work, STOP! If you already started making changes, do not turn the breaker back on until someone who knows about electrical looks at it. Electrical is not difficult, but it can be extremely dangerous! If you burn your house down because you wired your grow room wrong, I'm pretty sure the insurance company is not going to cover any losses.
Much respect TG. Not trying to argue, just want to understand where you're coming from with this.
Update:
Day 4 in flower, day 10 in 12/12:
Got up at lights on and opened up the tent. Ph held at 5.8, nice.
They are all bushing up very nicely but the Martian Kush are just going nuts. Time for some super cropping. Bent 7 big branches on the largest Martian Kush in the back left, one on the right. They are still taller than the Master kush in front but not as much.
Raised the light up 7 clicks and moved it slightly forward as well to get a little more light to the Master Kush up front.
All the plants are getting nice and wide, but the girls in the back are really getting there. I still like the Master Kush in front left, structure the most. Four nice main branches, spread perfectly, and now just waiting on the middle to start moving upwards and mobile.
Full tent:
Front left Master Kush:
Front right Master Kush:
Back left big girl Martian Kush:
Back right Martian Kush:
Back-middle look at the wide coverage:
