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Old 08-31-2009, 06:29 PM   #16
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Generator Install - A few questions...


A picture would be great of your panel and disconnect. I know what the transfer switch looks like. Were you able to find the neutral bar on the transfer switch?

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Old 08-31-2009, 06:41 PM   #17
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Generator Install - A few questions...


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A picture would be great of your panel and disconnect. I know what the transfer switch looks like. Were you able to find the neutral bar on the transfer switch?
Yes, I was able to find the neutral bar on the transfer switch. I also think I know where the neutral bars are on the panel. There are 2 going down both sides, and then there is a ground bar on the right. Let me get a picture and upload it.

Good idea.
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Old 08-31-2009, 07:03 PM   #18
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Generator Install - A few questions...


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A picture would be great of your panel and disconnect. I know what the transfer switch looks like.
Here are a few pictures. You can see the shutoff under the meter on the pole. I also took some outside pics so you can get an idea of the install. You can also see the 2 black wires and the one with the yellow stripe. They are about the same size (I was wrong).

Hope this helps, and thanks for the help!
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Generator Install - A few questions...-generator-084.jpg   Generator Install - A few questions...-generator-086.jpg   Generator Install - A few questions...-generator-089.jpg  
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Old 08-31-2009, 07:31 PM   #19
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Generator Install - A few questions...


Do you know what year code your jurisdiction is under?

I would consult your AHJ to see if you can leave that 3 wire from the disconnect(pole) to the transfer switch and then pull a 4-wire from the switch to your panel. Then the grounding/bonding will need to take place in the switch. If not, you'll need a 4-wire from the disconnect to the switch and 4-wire to the panel.

Also, if you're under 08 code, the generator will need to be able to serve the entire load transferred. So you may have to add some load shedding. Hard to say, although a 20 KW should be able to handle it.

It looks like the neutral and grounds are bonded in your panel. Adding the switch, this would need to change.

I was thinking the meter and disconnect was attached to the house.

You may want to call a pro because there are rules that may or may not be in effect in your area and this will change significantly the way all these components come together.

I don't know where you are but someone here may be in your area and can shed some light on what you'll be able to do with the 3/4 wire issue.

Last edited by wirenut1110; 08-31-2009 at 07:34 PM.
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Old 08-31-2009, 07:41 PM   #20
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Generator Install - A few questions...


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Originally Posted by wirenut1110 View Post
Do you know what year code your jurisdiction is under?

I would consult your AHJ to see if you can leave that 3 wire from the disconnect(pole) to the transfer switch and then pull a 4-wire from the switch to your panel. Then the grounding/bonding will need to take place in the switch. If not, you'll need a 4-wire from the disconnect to the switch and 4-wire to the panel.

Also, if you're under 08 code, the generator will need to be able to serve the entire load transferred. So you may have to add some load shedding. Hard to say, although a 20 KW should be able to handle it.

It looks like the neutral and grounds are bonded in your panel. Adding the switch, this would need to change.

I was thinking the meter and disconnect was attached to the house.

You may want to call a pro because there are rules that may or may not be in effect in your area and this will change significantly the way all these components come together.

I don't know where you are but someone here may be in your area and can shed some light on what you'll be able to do with the 3/4 wire issue.
First, thanks a lot for all your help wirenut. After reading your replies I think it is safe to say I need a pro to install this thing. No problem and I really do appreciate all your help. I just wanted to see if this was something I could do, and that seems doubtful now. We are under 08 code, so it should be interesting.

Again, thank you very much. BTW, I am in Colorado (Jefferson County).
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Old 08-31-2009, 07:50 PM   #21
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Generator Install - A few questions...


No problem. Glad to be of assistance. Good generator you have also. I have about 15 of that model out there.

As an added note, if that window is operable (can be opened) the generator needs to be at least 5' away. These clearances are shown in your owner's and or installation manual.

And please obtain proper permits for this.

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