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What is a feeder circuit?

Definition from the National Electrical Code Article 100:Feeder. All circuit conductors between the service equipment, the source of a separately derived system, or other power supply and the final branch-circuit overcurrent device.Branch Circuit. The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s).


Is it NEC code to have a water fountain on a GFCI protection?

Yes. NEC 2005 440.21


In which type of wiring is 14 awg the smallest permitted?

Several answers are possible here (this sounds like a test question, by the way). NEC 210.19(A)(4) says that branch circuits that are not for cooking appliances specified in 210.19, or specific-purpose loads specified in 210.2 shall not be smaller than #14 copper (#12 aluminum). 310.5 says that all wiring 0-2000 volts shall be minimum #14 unless otherwise permitted elsewhere in the code. There are perhaps other references too, these are two that come to mind.


Can you put a bathroom in a room that has the electrical panel in it?

absolutely not... Besides the fact that "absolutely not" is the common sense answer, the NEC strictly forbids electrical panels from being in bathrooms. There are very few other restrictions, including the fact that there is no restriction on how close to water a panel can be. But the restriction on panels in bathrooms stands tall.


How many pages are in the 2005 NEC Code Book?

The paperback version of the 2005 NEC code book has 792 pages. It is written by the National Fire Protection Agency. It is the standart for electrical and wiring regulations.