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Electrical Wiring FAQ (Part 1 of 2)
Section - Questions answered in this FAQ

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Top Document: Electrical Wiring FAQ (Part 1 of 2)
Previous Document: News Headers
Next Document: Introduction/Disclaimers
See reader questions & answers on this topic! - Help others by sharing your knowledge

	Introduction/Disclaimers
	What is the NEC?  Where can I get a copy?
	What is the CEC?  Where can I get a copy?
	Can I do my own wiring?  Extra pointers?
	What do I need in the way of tools?
	What is UL listing?
	What is CSA approval?
	What impact does NAFTA have on wiring standards and approvals?
	Are there any cheaper, easier to read books on wiring?
	Other Resources on Wiring
	Inspections how and what?  Why should I get my wiring inspected?
	My house doesn't meet some of these rules and regulations.
	A word on voltages: 110/115/117/120/125/220/240
	What does an electrical service look like?
	What is a circuit?
	"grounding" versus "grounded" versus "neutral".
	What does a fuse or breaker do?  What are the differences?
	Breakers?  Can't I use fuses?
	What size wire should I use?
	Where do these numbers come from?
	What does "14-2" mean?
	What is a "wire-nut"/"marrette"/"marr connector".  How are they used?
	What is a GFI/GFCI?
	Where should GFCIs be used?
	Where shouldn't I use a GFCI?
	What is the difference between a GFCI outlet and a GFCI breaker?
	What's the purpose of the ground prong on an outlet, then?
	Grounding electrode system (NEW)
	Bonding requirements (NEW)
	Testing grounding conductors and grounding electrodes. (NEW)
	Why is one prong wider than the other?  Polarization
	How do I convert two prong receptacles to three prong?
	Surges, spikes, zaps, grounding and your electronics
	Are you sure about GFCIs and ungrounded outlets?
	    Should the test button work?
	How to wire 3-way and 4-way switches
	What kind of outlets do I need in a kitchen?
	Where must outlets and switches be in bathrooms?
	General outlet placement rules/line capacities
	What is Romex/NM/NMD?  What is BX?  When should I use each?
	Should I use plastic or metal boxes?
	Junction box positioning?
	Can I install a replacement fixture?
	Noisy fluorescent fixtures, what do I do?
	Noisy lights with dimmer switches, what do I do? (NEW)
	What does it mean when the lights brighten when a motor starts?
	What is 3 phase power?  Should I use it?  Can I get it in my house?
	Is it better to run motors at 110 or 220?
	What is this nonsense about 3HP on 110V 15A circuits?
	How should I wire my shop?
	Underground wiring
	Doorbell/telephone/cable other service wiring hints
	Aluminum wiring
	I'm buying a house!  What should I do?
	What is this weird stuff?  Old style wiring
	Where do I buy stuff?
	Copper wire characteristics table
	Smoke detector guidelines
	Other links

User Contributions:

Dev
Report this comment as inappropriate
Dec 21, 2011 @ 12:00 am
In a fire protection circuit, circuts are shown witha no example 6,8,4etc. what it mean?these circuits are connected between smode detector,junction box etc
kevin
Report this comment as inappropriate
Dec 24, 2011 @ 12:12 pm
My daughter dropped a small necklace behind her dresser. The necklace crossed a plug terminal and shorted the receptacle.
I bought a new receptacle and installed the same. I still have no power I suspect there could be a bigger problem,this is aluminum wiring.
I've killed the breaker and call an electrician but am curious as to what happened.P.s. there is a dimmer switch on the same circuit.
dennis
Report this comment as inappropriate
Feb 24, 2012 @ 11:11 am
Regarding new construction wiring and running 12/2 and 14/3 wire in the same box.

I have multiple switches to lights. Ran 12/2 and 14/3 into switch box and inspector wrote correction needed.

What should I have done instead?

thank you
dennis
Robert
Report this comment as inappropriate
Nov 26, 2012 @ 9:21 pm
Does a grounding electrode facilitate the operation of a OCPD, to clear a ground fault ?
@dennis
Report this comment as inappropriate
Mar 18, 2013 @ 10:10 am
Assuming you are installing two switches in a two switch box, you probably should have used 14/2 and 14/3 instead of replacing 14/2 with 12/2. If you are only installing one switch in a one switch box, you should only have one cable in the box.
P k
Report this comment as inappropriate
Jan 26, 2014 @ 10:10 am
I prefer to use nothing smaller than12 awg /the smallest sized wire on a circuit determines the allowable ampacity
Ex: 15 amp-14awg. 12awg-20amp only rule for thumb other factors such as continuous load,heating and others if you do not know the safe NEC rules then please call a qualified journeyman Electrician better be safe

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Top Document: Electrical Wiring FAQ (Part 1 of 2)
Previous Document: News Headers
Next Document: Introduction/Disclaimers

Part1 - Part2 - Single Page

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Send corrections/additions to the FAQ Maintainer:
clewis@ferret.ocunix.on.ca (Chris Lewis)





Last Update March 27 2014 @ 02:11 PM