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120v to 240v???
- Thread starter burn586
- Start date
If you have a multitapped ballast, you can just open the case and switch the wire that goes to the power feed. There will be 4 wires (labelled 120v, 207v, 240v & 277v) if it's multitapped...just disconnect the 120v wire and put the 240v wire in it's place and secure it with a wire nut and you're done.
G
Guest
is it a multi tap ballast?
smokeyMcPOT
Member
I'm in the same boat here. I have a digital 600W 120v and I want to run it on the 240v line from the old dryer outlet. Is there a way to run a subpanel type hookup to the 240v line and have it broken down into 120v plugs. Say I run the 240v into a subpanel box, would I be able to have say 4 120v plugs in the subpanel box to use for the light(s), fans, etc.????
I seen another thread on here that had a subpanel with a 240v into it, then split somehow into 120v and 240v plugs. Would this be roughly the same? I'm looking to upping my breakers to 30 amp also, so this would help as well. Any info someone? THANKS!
I seen another thread on here that had a subpanel with a 240v into it, then split somehow into 120v and 240v plugs. Would this be roughly the same? I'm looking to upping my breakers to 30 amp also, so this would help as well. Any info someone? THANKS!
G
Guest
why do you want to go 240 with one 600 digital ballast...it wont save you any money
smokeyMcPOT said:
smokeyMcPOT
Member
I'm getting 2 more 600's and I also have 2 400's for veg running. and ac, fans etc.
G
Guest
yes you can make 240 out of 2 120s or you can make 120s from 240s...
Its a sunlight supply ballast a couple years old. I have to get a new cord and rewire the inside, they have a number to call to walk you through at bghydro. Is it very hard?
Smokey, this looks like it might be what you are looking for, but no description. http://www.bghydro.com/BGH/Itemdesc.asp?ic=HLLAILS4120S&eq=&Tp=
It might be worth the call to them to see if it is, or they have live chat help.
Smokey, this looks like it might be what you are looking for, but no description. http://www.bghydro.com/BGH/Itemdesc.asp?ic=HLLAILS4120S&eq=&Tp=
It might be worth the call to them to see if it is, or they have live chat help.
G
Guest
Split somehow? 240v is just two 120v power lines with a ground. Take a look at your dryer or ac units breaker wiring to see what I mean...smokeyMcPOT said:
capegrower
New member
be careful
be careful
a 3 wire 240v dryer plug has 2 hots and 1 neutral and if you split these to make 2 120 volt lines you wont have a ground just a neutral for each 120... this can be trouble if you have shorts
be careful
a 3 wire 240v dryer plug has 2 hots and 1 neutral and if you split these to make 2 120 volt lines you wont have a ground just a neutral for each 120... this can be trouble if you have shorts
G
Guest
if its lumiteck digital ballast sunlight supply socket...its not multi-tap...you have to buy it for 240 or for 120 http://www.gchydro.com/IMG/LUMATEK.JPG
http://www.gchydro.com/Lumatek+Electronic+Ballasts.html
http://www.gchydro.com/Lumatek+Electronic+Ballasts.html
Last edited:
unicorn said:
While it's true that a 240v line is just 2 120v's, it must be added that the 120v legs must be out of phase with each other. This means that you can't make 240v out of a single circuit's 120v power. I believe you can buy a transformer for this, but the cost would probably be more expensive than just buying the desired voltage ballast.
Skeletor or one of the other real electricians around here can explain the details better than I can about creating 120v lines off older 2 conductor wire and the dangers involved in it.
G
Guest
The thing about the three wire dryer receptacles,if the electrician was worth a crap at all he ran a 10/3 w/ground and landed the ground somewhere in the box,under a screw maybe.You'll never be able to pull 2 120V circuits out of a panel that are "in phase"unless you really try hard lol,a 2 pole breaker is setup to be the overcurrect protection for slots "A&B" or "C&D" etc,which are out of phase with each other.It would take 1 funky 2 pole breaker to protect slots "A&C" or "B&D".
