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Lighting & Electrical
Breaker Panel Tie-in... What is the CORRECT way to pull power?
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<blockquote data-quote="Rick Stansby" data-source="post: 26489" data-attributes="member: 312"><p>Re: Breaker Panel Tie-in... What is the CORRECT way of pull power?</p><p></p><p>As others have said, you are not qualified to safely tie-in your tails yourself. Also the internet is not a suitable source for instructions. This needs to be performed by a licensed electrician.</p><p></p><p>If you learn about how power works, you can double check the work that the electrician does for you. The ground and neutral wires of your tails will go to the ground and neutral buss bars respectively, and the hots will go into a 2 pole 50A breaker. You may need to provide this breaker, the breaker needs to match the panel you are being tied into. The cable needs strain relief where it leaves the panel, and you need to be able to close the panel up properly after the tails are tied in. You may need to provide a strain relief for one of the knock-outs on the box, and if you do, you will need to provide the proper sized metal plug to fill the knock-out after the show.</p><p></p><p>Once the electrician has tied you in, then you can meter the outlet on your tails. You should see 120v from each hot leg to ground and each hot leg to neutral. 208-240 V from hot to hot, and 0V between ground and neutral. The electrician should have metered it before you, but learning how to meter your power is a safety precaution that you can take.</p><p></p><p>Once again, don't perform the tie-in yourself, that job is for a licensed electrician. I wouldn't have told you this much if I thought you were going to try to tie-in by yourself.</p><p></p><p>If you are in the same venue regularly you might want to get a proper outlet installed permanently. It will cost more than one temporary tie-in, but once it is installed you can use a permanent outlet over and over. Even if there is a permanent outlet it is a good idea to meter it before you plug in.</p></blockquote><p></p>
[QUOTE="Rick Stansby, post: 26489, member: 312"] Re: Breaker Panel Tie-in... What is the CORRECT way of pull power? As others have said, you are not qualified to safely tie-in your tails yourself. Also the internet is not a suitable source for instructions. This needs to be performed by a licensed electrician. If you learn about how power works, you can double check the work that the electrician does for you. The ground and neutral wires of your tails will go to the ground and neutral buss bars respectively, and the hots will go into a 2 pole 50A breaker. You may need to provide this breaker, the breaker needs to match the panel you are being tied into. The cable needs strain relief where it leaves the panel, and you need to be able to close the panel up properly after the tails are tied in. You may need to provide a strain relief for one of the knock-outs on the box, and if you do, you will need to provide the proper sized metal plug to fill the knock-out after the show. Once the electrician has tied you in, then you can meter the outlet on your tails. You should see 120v from each hot leg to ground and each hot leg to neutral. 208-240 V from hot to hot, and 0V between ground and neutral. The electrician should have metered it before you, but learning how to meter your power is a safety precaution that you can take. Once again, don't perform the tie-in yourself, that job is for a licensed electrician. I wouldn't have told you this much if I thought you were going to try to tie-in by yourself. If you are in the same venue regularly you might want to get a proper outlet installed permanently. It will cost more than one temporary tie-in, but once it is installed you can use a permanent outlet over and over. Even if there is a permanent outlet it is a good idea to meter it before you plug in. [/QUOTE]
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