For questions relating to compliance with laws and ordinances of federal, state/province and local jurisdictions. Questions should also be tagged with the specific area of construction involved.

learn more… | top users | synonyms

7
votes
4answers
7k views

Is using 15 amp components on a 20 amp breaker against code?

I have noticed in a few different houses in Oklahoma that 20 amp breakers are used, but all of the outlets and switches only seem to be rated for 15 amps. This goes against everything I know to be ...
9
votes
3answers
1k views

What is electrical code for number of wires in a breaker?

US, Georgia I am adding some new ciruits to add some additional outlets. The closest place is to run a wire to the main panel box. My question is, can I connect more than one wire to a breaker and ...
5
votes
4answers
605 views

Can different gauge wiring be used in the same circuit?

I am extending a lighting and outlet circuit in a basement. The current setup has the following characteristics 15 amp. circuit breaker (200 amp service) 4 existing lighting fixtures using CFL bulbs ...
4
votes
1answer
395 views

Do I need to attach a wire fished through a ceiling?

I have a finished basement and am mounting a flat-screen TV on the wall and I want to put an electrical box behind the TV. The two existing outlets are both two joists over and each separated with a ...
2
votes
5answers
741 views

Why are there multiple receptacles by amperage?

I could imagine the various receptacle shapes being a tool to protect you from making a mistake about what you plug in. Consider a 15A breaker with 14ga wiring to NEMA 5-15R receptacles. The circuit ...
1
vote
1answer
279 views

What are the codes for electrical wiring in attics?

What is the typical code for wiring in attics? I understand these vary but what's best practice? Can you just have electrical wires exposed with all the junctions, in junction boxes, provided all the ...