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Forums» International Building and Residential Codes -- Non-Structural Issues» Light switch at entrance to room from exterior

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Light switch at entrance to room from exterior
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Re: Light switch at entrance to room from exterior By  cda

Posts: 0

12/28/2001 7:24:00 AM

What would the normal flow be, from interior to exterior or the other way around ?, if this door is in the back yard than a light should already be on in the house if they flow from in to out.


   

Re: Light switch at entrance to room from exterior By  fw

Posts: 0

12/28/2001 7:27:00 AM

1999 NEC Article 210-70 (2) additional locations for lighting outlets, at least one wall switch controlled lighting outlet shall be installed in...and to provide illumination on the exterior side of outdoor entrances or exits with grade level access.

As far as I know there is no requirement for an interior light switch for an interior light at every exterior door, just a switch for the exterior light.


   

Re: Light switch at entrance to room from exterior By  cbo_3050

Posts: 0

12/28/2001 7:39:00 AM

cda and fw appear to have hit the nail on the head on this one.

it might be nice, but nice isn''t always in the code.


   

Re: Light switch at entrance to room from exterior By  InspectorDude

Posts: 0

12/28/2001 8:12:00 AM

Well, it depends on which code you''re using...UBC & IBC, don''t regulate lighting at doors, except for exit lighting. IRC or CABO have an electrical section (If your jurisdiction adopts it) which specifies (as in the NEC) that "at least 1 wall switch controlled lighting outlet shall be installed to provide illumination on the exterior side of each outdoor egress door having grade level access.". In those codes there is a requirement for a switched light OUTSIDE the door, but not inside. (The switch being on the inside, to light the outside.)

Even exit lighting is designed to illuminate the path out of a building, but not into it. In the CABO and IRC codes, there is only ONE exit door from each dwelling unit... the front door. No mention of exiting from individual rooms. It is common practice to provide a switch at THE entrance (exit) to the dwelling unit, and to each room therein, when entering it from inside the dwelling.

[This message has been edited by InspectorDude (edited 12-28-2001).]


   

Re: Light switch at entrance to room from exterior By  cbo_3050

Posts: 0

12/28/2001 9:08:00 AM

yeah, but he''s talking about having a light switch on the outside (three way perhaps) to turn on the light as you enter into the house. to me that''d be ridiculous. i wouldn''t want my neighbors turning on my inside bedroom light from the outside of the house. it''d be a nice feature if your entire backyard perimeter was secured though.


   

Re: Light switch at entrance to room from exterior By  tkr

Posts: 0

12/28/2001 10:25:00 AM

cbo_3050

I believe he was asking if there should be a switch just "inside" the door to turn a light on in the room as you enter from the exterior, which the Codes do not require.

fw is correct in that there should be a switch just inside the door to turn on a light which is located on the exterior of the door which should give enough illumination, albeit dim, to locate an interior fixture without "feeling your way across the room".


   

Re: Light switch at entrance to room from exterior By  George Roberts

Posts: 0

12/29/2001 10:27:00 AM

I just have a ICC 1&2 Family Dwelling Code book with me.

4403.2 requires a switched light in the bedroom and living room. no location is specified for the switch.

4403.3 requires a switched light in attics and such and specifies that the switch needs to be at the point of entry.

I would suggest that logic of 4403.3 would dictate that the switch of 4403.2 be located at the (each) point of entry. (Otherwise a lamp with a built in switch would qualify)

Certainly good practice would put a light switch by each point of entry including the patio.


   

Re: Light switch at entrance to room from exterior By  Lou Marks

Posts: 0

12/29/2001 2:03:00 PM

The assumption appears that a swith may be require inside for exterior light and and interior light. I agree that a means to cut lights on is required. However, exterior lights can be controlled by motion sensor or photoelectric cell. The code only requires a means be provided. Interior lights can be controlled in the same manner.
(Being this is the christmas season one could always get a clap-on. Just hope the do not snore loud or have a barking dog).
Simple point, a way must be provided. Solutions are numerous.


   

Re: Light switch at entrance to room from exterior By  tomparry

Posts: 0

1/2/2002 10:55:00 AM

The NEC 1999 and beyond does not specify the location of switches in rooms. The code only requires switched light openings. The switches do not have to be in the room with the switched light opening - it may be anywhere in the unit. A computer, occupancy sensor ormaster switch may control lighting in a dwelling.The only sections requiring switch locations are NEC 210-70a (3),NEC 210-70 (c) which reference attics, basements, utility rooms, crawl spaces,


   

Re: Light switch at entrance to room from exterior By  InspectorDude

Posts: 0

1/2/2002 11:36:00 AM

I don''t find the section that allows a master switch or computer to operate the required lighting outlets. Even the code allowed occupancy sensors may be used "in addition to switches or...provided with a manual override" (means to switch the light on or off). That same section uses the term, "at customary locations", which is customarily at the door to the room (again from inside the dwelling). And, don''t forget garages (both attached and detached, with power), and guest rooms.



[This message has been edited by InspectorDude (edited 01-02-2002).]


   

Re: Light switch at entrance to room from exterior By  tomparry

Posts: 0

1/3/2002 5:41:00 AM

Inspector Dude - Please reference the section that requires individual switches for light openings. In my jurisdiction I have many residences that are completely computer controlled.


   

Re: Light switch at entrance to room from exterior By  InspectorDude

Posts: 0

1/3/2002 6:32:00 AM

Tomparry, help! The only sections I can find (quoting from the IRC) are E-3803.2, requiring switched lights in each habitable room, with the exception that allows occupancy sensors only. Then there is E-3803.3, which specifies lighting in "other locations" (hallways stairways, garages, etc), which excepts only hallways, stairways, and outdoor egress doors for the use of "remote central or automatic" controls. I''m having trouble getting to the concept of controlling lighting in habitable rooms with a computer, unless you have a local amendment, or accept it as an "alternate method"....


   

Re: Light switch at entrance to room from exterior By  maniac

Posts: 0

1/3/2002 6:38:00 AM

Tom
You may want to read it all including the exceptions:
NEC 210-70. Lighting Outlets Required. Lighting outlets shall be installed where specified in Sections 210-70(a), (b), and (c) below.
(a) Dwelling Unit(s). At least one wall switch-controlled lighting outlet shall be installed in every habitable room; in bathrooms, hallways, stair-ways, attached garages, and detached garages with electric power; and at the exterior side of outdoor entrances or exits. A vehicle door in a garage shall not he considered as an outdoor entrance or exit. At least one lighting outlet controlled by a light switch located at the point of entry to the attic, underfloor space utility room, and basement shall be installed where these spaces are used for storage or contain equipment requiring servicing. The lighting outlet shall be provided at or near the equipment requiring servicing.

Exception No. 2: In hallways, stairways, and at outdoor entrances, remote, central or automatic control of lighting shall be permitted.
Exception No. 3.'' Lighting outlets shall be permitted to be controlled by occupancy sensors that are (1) in addition to wall switches, or (2) located
at a customary wall switch location and equipped with a manual override that would allow the sensor to function as a wall switch.
(b) Guest Rooms. At least one wall switch-controlled lighting outlet or wall swish-controlled receptacle shall be installed in guestrooms in hotels, motels, or similar occupancies.
(c) Other Locations. At least one wall switch-controlled lighting outlet shall be installed at or near equipment requiring servicing such as heating, air-conditioning, and refrigeration equipment in attics or underfloor spaces The wall switch shall be located at the point of entry to the attic or under-floor space.




[This message has been edited by maniac (edited 01-03-2002).]


   

Re: Light switch at entrance to room from exterior By  tomparry

Posts: 0

1/3/2002 7:46:00 AM

Inspector Dude, Maniac,
We have not adopted the IRC and are required by state statute to enforce the NEC.
NEC 210 scope relates to lighting outlets. I can not find a definition in the NEC as regards customary,and it only relates to occupancy sensors for the reason of the way sensors operate.
The NEC is not a design manual, it states minimums for safety. I do not arbitrarily restrict the creativity of engineers and architects. We have a 90% occurence of lighting control systems in new construction. A large number of switches control multiple lighting outlets in multiple locations
A couple of design questions. Should you install a wall switch in the hall before you enter a room or should it be in the room? If you install it in the room should it be within 1'' of entry, 2'', 3'' 6''? Please reference your reply.
Tom


   

Re: Light switch at entrance to room from exterior By  MP

Posts: 0

1/3/2002 8:37:00 AM

NEC 210, Is the section in the NEC that relates to Outdoor lighting. If you look at Artical 100, the definition of an outlet is not what you think it is. "a point on the wiring system at which current is taken to supply utilization equipment" Then you look at the definition of equipment "...devices, FIXTURES,..."


   

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