Can anyone advise if it is required by the nec to have a 3-way switch in the public hall of a pvt. home to control the hall way light?
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All of the electrical expert's here have gone on strike due to over ambitious DIYers.
However, for your benefit, I have looked over page 35 of the 1999 NEC handbook [which includes the Code text itself] and I couldn't find anything. But then, one of the other 1062 pages may have something. But I doubt it. This seems to be a design issue. Or perhaps a local modification or a building code issue.
~Peter, the fact checker for National Inquirer Magazine.
In my 1981 code (yeah, probably before some of you were born), if this were covered it would most likely be in section 210-70 -- Wiring Design and Protection, Branch Circuits, Lighting Outlets Required.In this version, all that section mentions is the requirement for switched lights ("lighting outlets") in bathrooms, bedrooms, hallways, stairways, and garages.A later version may have more specific requirements. Certainly it is common practice, eg, to install 3-way switches at the top and bottom of stairs, and I can find no mention of this in the 81 code.
If Tyranny and Oppression come to this land, it will be in the guise of fighting a foreign enemy. --James Madison
Is this a hall at the top of a set of stairs?
last thing i expected to read about here was light switches...
let me explain....... somethings just have to make you smile
p
What, you think we're in the Tavern here? Wipe that smirk off your face!
3 ways in halls are not required by the NEC. But, for convienience sake, use them for long halls. If it is a 6 by 6 hall, then no.
3 ways are required for control of stairway lighting if 6 or more risers. But hey do allow for automatic, remote, or central control of this lighting. If you use occupant sensors, they must be installed where the 3 way switches nornally are so they can be manualy switched if necessary.
IRC code, based on NEC.
Frank DuVal
You can never make something foolproof because fools are so ingenious.
2005 NEC does require hallway lighting.
Check section 210.70(A)(2).
Also in stairways. If the stairway has more than 6 risers, must be a three way switch (or more, depending on number of entryways to the stair).
"Let's get crack-a-lackin" --- Adam Carolla
3-way switch??? Darn, and I thought this was an invitation!
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