This site is designed for: Contractors Electricians Engineers Inspectors Instructors Other electrically related individuals* This NEC®...
Frequently Asked Questions Based on the 2011 National Electrical Code Changes to 2011 NEC
Installing new underground residential service underground. The length is 162ft plus what runs up poll. I am using 500mcm aluminum....is this thick...
It has been suggested that the elevator shutdown due to sprinkler operation in the shaft or machine room should be delayed until the passengers are...
I know this has been asked in different ways before. Garage is 60 feet from the house, with big eaves, so it needs a mast to achieve clearance from...
if you run a 40 amp circuit from your ulity servicr panel into a ats . it will then feed a small 6 circuit panel for lighting , receps,refigtor does...
Is it code to support emt from chain the same kind that guys hang floresent fixures from.ive always used threaded rod nicer look and tighter hold.i...
Hello My Friends I am schedule to meet with a client concerning the installation of a generator, I am aware of the main things to look for but any...
Greetings all. I'm trying to clean up an existing lighting installation in the home of a new customer. There are a total of 14 mono-point-type...
Hello all....here is my question. I have a 30amp 3pole dis.switch in a garage for a exhaust fan that is outside.The starter is also inside. Do I...
This is new construction and we have a 13.8kv utility feed being tapped ahead of the main Med. Vltg. SWGR. the tap 4"C. goes to a FSS then from the ...
Interesting read on some of the proposed changes to the 2014 NEC can be found here. I wasn't far off in my "tongue and cheek" title of a thread a...
The other day I came across a split system air conditioner in a single family residence where the installer had used type TC-ER PVC jacketed cable to...
I am working on an industrial building and have run across something that I am not sure is permitted by code or not. They have several items labeled...
For sake of conversation, can anyone read anything into 695.4(B)(3)(a) or 695.4(B)(3)(b) (which will take you to 700.10(B)(5)) that will allow OCPD's...
I am running 4/0 direct buried cable for a 100 amp feed due to distance. I have not oversized a wire so much that it will not fit the breaker. Do I...
Section 230.70.A(1) of NEC states that “the service disconnectmeans shall be installed at a readily accessible location either outsideof a building...
392.80(A)(3) is regarding combinations of multiconductor and single conductor cables in cable tray. The general statement says the ampacity of the...
My understanding of 210.21 is that you are allowed to use a 15A duplex receptacle as the only device on 20A circuit. This would be the only device...
We sent a guy to a service call where the home owner had some receptacles not working. He found a bad connection in one of the boxes and got the...
Hello everyone. I would like to know if I am completing this task per the NEC. I have a 220V system and Hermetic refrigeration compressors that I...
I have a customer with a facility built in 2001. The building has several overhead cranes. The company safety officer wants all their overhead cranes...
Use this control to limit the display of threads to those newer than the specified time frame.
Allows you to choose the data by which the thread list will be sorted.
Order threads in...
Note: when sorting by date, 'descending order' will show the newest results first.
Forum Rules
