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Urgent help: fuse breaker box for dedicated line?

Hi,
I've looked for a fuse breaker box for my dedicated line at Home Depot, but I can not find the one that use 120V. Home Depot has only a few types of fuse breaker box, but none of them use 120V (240V only). Here are my questions
1/ Can I use 240V box for 120V? I asked the guy in store and he told me that I may use it but the current will be double (he's not sure about it).
2/ The one that I've looked for is 240V/60A with 3 slots to put fuse. Does it matter for double the current in case I use 240V box for 120V if I use only 20A fuse?
3/ The maximum slots in breaker box that I found is three. Do they make four slots? Where can I find them?
4/ I see JPSlabs.com have special wire for dedicated line for $3.5/foot. Is it good compare to Romex or THINN wires?
I'm interested in JPS wire because I need only 20' for three outlets from the sub panel.
Thank you very much.
DT
worldcup86

Showing 3 responses by worldcup86

worldcup86 OP
68 posts
 
Hi,
I'm in process of building a listening room, and the contractor will do the dedicated line for me. However, I have to supply all the parts, and I want all the parts will be ready before the contruction starting.
I want to buy all the parts now just because I'm off for the whole week. I'll be busy next week and I don't want to wait for the contractor until next Monday.
I already have dedicated lines in my old room, so I know little about it except for the fuse breaker box, and I don't know where the last electrician bought it.
Thanks!
DT
worldcup86 OP
68 posts
 
Hi,
I just check the fuse breaker box that has two slots for my dedicated lines in my old room to find out that the last electrician use 240V/60A. So, I think that the fuse beaker box that I've looked for at Home Depot is fine(240V/60A/with 3 slots). I'll shop around to find a fuse breaker box with 4 or more slots because I need al least one or two extra outlets.
The guy who do the job for me is a general contractor. He's expert in building thing but not in electrical stuffs. However, it'll cost me $400-$500 if I call the last electrician, and the price to build the room include everything. I think the job is not hard for him because he just copy the old one. Actualy, I can do the job but I don't want to do it in case something happen he has licensce and I don't.
Thanks for all your helps!
Ps: How's about the JPS AC wire? Is it worth to spend extra money?
worldcup86 OP
68 posts
 
Hi,
Sorry, I made a mistake. I was confused between Virtual Dynamics and JPS AC wire. The Virtual Dynamics is $3.5/foot, and JPS is $18/foot. I planed to call VD this morning but instead calling JPS. That is why I know JPS AC wire is $18/foot. However, the man that I talked to is very very nice. His system and mine is exactly the same. I'll try JPS cable when my room is done, and who know I may sell my NBS cable to switch to JPS.
Happy listining!
DT
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