Forum: Electrical Contracting and Estimating/Management
10-10-2009, 08:48 AM
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Replies: 19
Views: 385
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Forum: Electrical Contracting and Estimating/Management
10-10-2009, 08:46 AM
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Replies: 19
Views: 385
ACSR is not required and it tough to cut. You...
ACSR is not required and it tough to cut. You can use AAAC (All Aluminum Alloy Conductor) if you can find it and it can be cut easily. That is all we use because we have had problems with the old...
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Forum: NEC
09-29-2009, 01:40 AM
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Replies: 8
Views: 281
Welcome to the Forum!
I have searched the...
Welcome to the Forum!
I have searched the 2009 Edition of the International Residential Code and find no requirements for a red emergency switch cover for any type of switch . . . period. I...
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Forum: Electrical Calculations/Engineering
09-29-2009, 01:23 AM
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Replies: 9
Views: 263
I agree with just about everything said in the...
I agree with just about everything said in the answers. We do size only for the actual projected load, we will replace the transformer or service lateral if they are undersized, we do not normally...
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Forum: NEC
09-28-2009, 06:29 PM
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Replies: 6
Views: 307
The proposal period has been completed and the...
The proposal period has been completed and the comment period is under way. The deadline for comments is Friday 10/23/2009 at 5:00 PM EDT. The code making panels will meet again in Redondo Beach for...
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Forum: Electrical Contracting and Estimating/Management
09-28-2009, 06:21 PM
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Replies: 9
Views: 374
Cut me a little slack because I am doing this...
Cut me a little slack because I am doing this from memory and it has been a long time since I have installed baseboard heaters. Standard density is normally 250 watts per foot and low density is 190...
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Forum: Electrical Instructors
09-20-2009, 03:46 PM
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Replies: 28
Views: 2,156
Great article
Brad, I have read some very good comments and your article is outstanding, especially the lead in story. :)
Assuming you are going to revise the article a little, would you post the revised...
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Forum: Electrical Contracting and Estimating/Management
09-20-2009, 03:13 PM
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Replies: 36
Views: 887
For some reason I have stayed out of this...
For some reason I have stayed out of this discussion. :roll:
The general feeling of most courts is that the serving electric utility can't repair what they don't know about. If the electric...
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Forum: Electrical Calculations/Engineering
09-20-2009, 03:01 PM
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Replies: 35
Views: 1,103
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Forum: NEC
09-20-2009, 02:41 PM
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Replies: 14
Views: 451
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Forum: NEC
09-20-2009, 02:38 PM
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Replies: 14
Views: 451
Good comment
You are absolutely correct. Without a service (a meter is not a service, it is just a wide place in the conduit), there is no reason for a 4th conductor. The service disconnecting means and...
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Forum: NEC
09-18-2009, 06:44 PM
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Replies: 8
Views: 359
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Forum: NEC
09-18-2009, 06:30 PM
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Replies: 7
Views: 196
The OP is discussing additional service...
The OP is discussing additional service disconnecting means and you are limited to six in any one location.
Agreed.
We do the same. There would be six residential meters and one...
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Forum: Power Quality & Surge Protection
09-18-2009, 06:22 PM
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Replies: 9
Views: 264
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Forum: NEC
09-18-2009, 06:14 PM
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Replies: 14
Views: 451
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Forum: Electrical Calculations/Engineering
09-18-2009, 06:03 PM
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Replies: 5
Views: 350
If the serving electric utility has a major...
If the serving electric utility has a major rebuild or the primary distribution is switched from one substation to another, you may need to do the calculations again. Keep in mind that a substation...
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Forum: NEC
09-17-2009, 12:05 PM
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Replies: 80
Views: 2,984
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Forum: Grounding versus Bonding
09-17-2009, 11:55 AM
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Replies: 8
Views: 246
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Forum: NEC
09-17-2009, 11:47 AM
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Replies: 7
Views: 196
Sorry, I can't agree. This is giving permission...
Sorry, I can't agree. This is giving permission to feed a set of service entrance conductors to feed a common service for lights, alarms, irrigations, and the such. You are still only permitted to...
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Forum: Electrical Calculations/Engineering
09-17-2009, 11:42 AM
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Replies: 1
Views: 129
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Forum: NEC
09-16-2009, 04:34 PM
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Replies: 2
Views: 157
90.2(A)(4) Covered. Installations used by the...
90.2(A)(4) Covered. Installations used by the electric utility, such as office buildings, warehouses, garages, machine shops, and recreational buildings, that are not an integral part of a...
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Forum: NEC
09-16-2009, 04:14 PM
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Replies: 8
Views: 359
I don't see a need for the fence at all. Since...
I don't see a need for the fence at all. Since it is there, it is fine and I would ignore it unless someone wants you to set up a grounding grid and/or some type of bonding (for a price of course). ...
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Forum: NEC
09-16-2009, 04:04 PM
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Replies: 37
Views: 1,046
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Forum: NEC
09-15-2009, 10:07 PM
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Replies: 37
Views: 1,046
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Forum: Exam Preparation
09-15-2009, 09:19 AM
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Replies: 6
Views: 352
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