A/C disco with 40a gargaee feed

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jute

jute

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Hi, I have a project that involves a A/C dico and a 40a 2-plole is there a A/c disconnect that I can add a breaker to acommodate both in the same encloser??? Otherwise I'll have to install an outdoor panel and then feed the garge and an A/C disconnect from there...Any suggestions/info appreciated...Thanks, JB
 
jute said:
Hi, I have a project that involves a A/C dico and a 40a 2-plole is there a A/c disconnect that I can add a breaker to acommodate both in the same encloser??? Otherwise I'll have to install an outdoor panel and then feed the garge and an A/C disconnect from there...Any suggestions/info appreciated...Thanks, JB
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Jute is this garage a separate building or attached to the building the disco would be on?
 
JohnJ0906 said:
Sounds like you will need a 4 space panel.

Do you have a neutral? Most AC feeders I have seen are 240v only (2 hots and EGC) with no neutral.
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I have (3) #6 AWG wire already ran to the location I need from the main panel...This wire is being used to feed a subpanel that has to be removed and relocated....So yes, I (2 hots and nuetral)... I was trying not to use a subpanel but if I do I will probably need to add a EGC to the existing wiring because the ground is a #10 wire attached to a abandant rigid pipe sticking out of the ground?? Thanks, JB
 
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Dennis Alwon said:
Jute is this garage a separate building or attached to the building the disco would be on?
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The garage is a seperate building...The A/C disco is going to be installed on the same building as the existing subpanel that needs to be replaced/relocated. The subpanel is about 10' from the intended location of the new A/C disco and I was trying to combine the 2 circuits without a subpanel??? Thanks, JB
 
Let me get this straight. You have 3 wires that run out to the garage building and terminate in a panel. There is a ground wire that goes from there to a galvanized pipe in the ground.

If this is the case then the subpanel is still legal with only 3 wires, at least until 2008, as long as there is no metallic pathway back to the other building. The #10 wire that goes to the "ground rod- I presume" would need to be a #8.

You cannot run 2 separate feed to the building, if that was your intent.
 
Dennis Alwon said:
Let me get this straight. You have 3 wires that run out to the garage building and terminate in a panel. There is a ground wire that goes from there to a galvanized pipe in the ground.

If this is the case then the subpanel is still legal with only 3 wires, at least until 2008, as long as there is no metallic pathway back to the other building. The #10 wire that goes to the "ground rod- I presume" would need to be a #8.

You cannot run 2 separate feed to the building, if that was your intent.
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No, I have 3 wires that run out to the exterior wall of the house and terminate in a panel. There is a ground wire that goes from there to a galvanized pipe in the ground. In this panel it has a 40a breaker that feeds the detached garage, I wanted to try and feed the garage by adding a breaker inside with the the A/C diconnect and feed with the (3) #6 wires??? Is this possible???Thanks, JB

Dennis Alwon said:
You cannot run 2 separate feed to the building, if that was your intent.
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There's already a 125A subpanel inside the house being fed from a 200a main panel. The (3) #6 wires I was trying to use are going to the same building from the 200a main to the subpanel that is being removed/relocated and this would feed the detached garage and an A/C disconnect switch???Thanks, JB
 
jute said:
I wanted to try and feed the garage by adding a breaker inside with the the A/C diconnect and feed with the (3) #6 wires??? Is this possible???Thanks, JB
Click to expand...

You can use the 3 #6 wires to feed the garage as long as there is no metallic pathway between the buildings. The garage should be fed with a 60 amp feeder and terminate in a panel at the garage. You would then need to have a main disco and ground rod(s). The GEC gets connected to the main disco as if it were a service. The neutral and grounds get bonded together with the GEC connected to it.

I hope this answers your question cause I am still having trouble understanding your connection.

I have no idea why a GEC was attached to the panel that was attached to the house. That should be disconnected.
 
Dennis' answer is correct unless this new panel in on the main building, in which case you need the EGC. (Sorry, this senario isn't entirely clear to me)
 
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