Help setting up my generator! Irene is coming!!!

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  #1  
Old 08-24-11, 07:33 PM
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Help setting up my generator! Irene is coming!!!

I need quick help I'm sure to lose power with this hurricane.

So this is where I'm at, I had a Transfer switch panel installed professionally. I bought a 5000w generator and picked up a connecting cable. The problem comes when I take the generator out of the box and find that it has 2 120v and 2 240v outlets no plug direct to the panel. I have a cord to plug in to the panel but I am unsure how to get the power out of the generator

I am able to do basic wiring so any help would be great!!

My connecting cord is a 20a 4 wire cord with a female plug on the switch end and cut on the generator end ( this is what I need to figure out what plug to use and how to wire it)


my
 
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Old 08-24-11, 07:36 PM
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You **should** need an L14-20 Male plug. What do the 240V receptacles on the genny look like?
NEMA Plug and Receptacle Configurations
 

Last edited by Justin Smith; 08-24-11 at 07:40 PM. Reason: Add nema chart
  #3  
Old 08-24-11, 08:31 PM
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6-20r on the generator two of them. Thanks for the reply!!
 
  #4  
Old 08-24-11, 08:44 PM
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You can't use the 6-20 on the genny because it doesn't have a neutral. You need a 14-20. You may* be able to switch out the 6-20 for a 14-20 but you will void the warranty if you do so.

* depending on presence of neutral and internal wiring.
 
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Old 08-25-11, 06:27 AM
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I'm not worried about the warranty. It's past that I just need it to work. So if I take the existing outlet off what am I looking to find as far as wiring?
 
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Old 08-25-11, 08:06 AM
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I'm not worried about the warranty. It's past that I just need it to work. So if I take the existing outlet off what am I looking to find as far as wiring?
You would need to find the oppositely-phased hots and the appropriate neutral. You need to watch with the gennys as the colours are all different than standard wiring.

It would be Helpful to take some pictures and post them.

http://www.doityourself.com/forum/el...your-post.html
 

Last edited by Justin Smith; 08-25-11 at 08:08 AM. Reason: Add link
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Old 08-25-11, 11:13 AM
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Old 08-25-11, 06:47 PM
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ok. So remove the 6-20 receptacle. You will need to pick up an l14-20R receptacle. On the L14-20, connect both of the blacks from the 6-20. One black, it doesn't matter which, goes to the X, the other to the Y. Cionnect the green wire then to the ground screw. You will then need to take the white, cut it, then wirenut a piece of white #12 type thhn stranded to the other white wires. Connect this to the silver screw.

I will cover mounting next.
 
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