220 box

[gdubyacobb]

Hey y'all I'm diving in with my first post...
and yes I know search is a powerful tool...(I belong to a some gun forums and those boys can be harsh, but I figure forums are for talking not searching)
I've done lots of 110/120 wiring but I am dealing with my first time running220/240 into a fuse box.
Can anyone point me to a good web article about splitting 220 down to 110 in a fuse box?
Thanks.

 

[jeff000]

I have no idea what you are asking.

Do you have an actual fuse box, or a breaker box?
Are you running the 240 into the fuse box or are you running a 240 device into the fuse box?
What do you mean splitting?

 

[gdubyacobb]

220 is coming into the fuse box, I would like to run 110 circuits (3 separate fuses) out of it.

 

[jeff000]

220 is coming into the fuse box, I would like to run 110 circuits (3 separate fuses) out of it.

What kind of fuse box? like a disconnect?

It's probably 240.

If it is just 240, then you need to run a neutral back to the source to get 120.

Need more information, maybe a picture of said box too.

 

[gdubyacobb]

I found diagrams and got it all sorted.
I am placing a sub panel in a workshop and have never delt with the two legs of 220 before. But once I found a wiring diagram it all instantly made sense.
Thanks.

 

[spy604]

each leg of 240 is actually just +120 and -120 (technically they are 180deg out of phase) with respect to neutral. Just pick one and use it with the neutral and you get 120v. if you use both hot legs, you have 240v

 

[FluxCore]

Yup, and you need to run 4 conductors, not three to the sub panel.....

The 4 conductors will consist of 2 120 volt 'hots', one bare and one insulated neutral...All four must return to the primary feed panel with the 'hots' going to a two pole 220 breaker and the bare and neutral to their respective locations in main panel....Glad you are reading up on it because as you read, you will discover how and why you need to deal differently in the subpanel with the bare and neutrals and how the box must be bonded to earth.

 

[gdubyacobb]

It was the 4 conductors (3 plus ground) that I wasent familier with.
I picked up a roll of 14/3 and am good to go.
Thanks again.

 

[kert]

It was the 4 conductors (3 plus ground) that I wasent familier with.
I picked up a roll of 14/3 and am good to go.
Thanks again.

14/3 sounds awefully small to feed into any panel. You might as well just run it into a junction box and split it off from there. No need for a panel.

What exactly do you intend to have on these 3 circuits you mentioned?

 

[FluxCore]

Don't open that roll of 14/3...take it back.....

Do some more reading....I respect your ability to teach yourself

 

[sberry]

Agreed, 14 likely has no place here.

 

[FluxCore]

Agreed, 14 likely has no place here.

14 has no place in any REAL shop....even lighting...yeah, i'm talking a real shop with many lights and several switch legs

 

[Charles (in GA)]

Bare minimum, 10/3 with a ground gives you 30 amps to work with. Much better off with 6/3 with a ground and you get 50 amps or better.

Don't shortchange yourself, you will want more than you think you need right now.

Is this going to an attached garage or basement or such? or is it a DETACHED structure. Makes a difference in what you do.

Charles

 

[gdubyacobb]

Thanks to the advice here, I returned the 14/3 and picked up 10/3.
Its just the kind of advice I was looking for, and I appreciate the help.
My use of the word "workshop" probably suggested a radial arm saw and welding rig, this is a pottery studio.
The only power tool will be a potters wheel.

 

[David S]

Thanks to the advice here, I returned the 14/3 and picked up 10/3.
Its just the kind of advice I was looking for, and I appreciate the help.
My use of the word "workshop" probably suggested a radial arm saw and welding rig, this is a pottery studio.
The only power tool will be a potters wheel.

What about the kiln? and the lights? AC? Heating? need to account for those too...

dave

 

[gdubyacobb]

Kiln is gas.
No ac and a wood stove for heat.
And the thirty amps the 10/3 will carry is plenty for three florescent lights.