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Old 09-11-2011, 12:07 PM   #46
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Wiring Lights To A Plug


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Originally Posted by beenthere View Post
Just because one area allows/approves the use of a deice, doesn't mean all areas do. All areas can make their code stronger then the national. National code, is a min safety code.

If the sign doesn't come with a cord and plug, generally it isn't approved by UL.

You would need to find one that has a UL listing to have a cord and plug added. Doubt you will find anything like that.
I found a whole website that sells exit signs and emergency lights with cord and plugs attached. But the areas that don't allow cord and plug exit signs/emergency lights are probably because of the reason that they can be unplugged, but my area doesn't require my house to have an exit sign, so that may not apply to this situation.

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Old 09-11-2011, 01:02 PM   #47
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Originally Posted by TssCman123 View Post
I found a whole website that sells exit signs and emergency lights with cord and plugs attached. But the areas that don't allow cord and plug exit signs/emergency lights are probably because of the reason that they can be unplugged, but my area doesn't require my house to have an exit sign, so that may not apply to this situation.
Still doesn't matter. Your area mostly doesn't allowed things to be installed in a manor that is not approved by UL.


Your area doesn't require a house to have a deck. But if you build one, it must meet code for a deck.
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Old 09-11-2011, 01:56 PM   #48
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Still doesn't matter. Your area mostly doesn't allowed things to be installed in a manor that is not approved by UL.


Your area doesn't require a house to have a deck. But if you build one, it must meet code for a deck.
I get what you are saying, I was thinking about that earlier...I will just check my local code.

The reason I said what I said in my previous was because if you think about it, if my area code doesn't require exit signs, and if my area code doesn't allow plug in exit signs because they are unplugged, I was thinking that code wouldn't apply to me because they probably wouldn't care if the battery died in a exit sign that is in a home that doesn't require one.
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Old 09-11-2011, 02:59 PM   #49
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Wiring Lights To A Plug


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Originally Posted by TssCman123 View Post
I get what you are saying, I was thinking about that earlier...I will just check my local code.

The reason I said what I said in my previous was because if you think about it, if my area code doesn't require exit signs, and if my area code doesn't allow plug in exit signs because they are unplugged, I was thinking that code wouldn't apply to me because they probably wouldn't care if the battery died in a exit sign that is in a home that doesn't require one.
Code applies weather or not a device/appliance/structure is required.
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Old 09-11-2011, 04:08 PM   #50
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Code applies weather or not a device/appliance/structure is required.
Okay, understood.
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Old 09-11-2011, 06:23 PM   #51
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Wiring Lights To A Plug


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But if it isn't safe, why would it be UL approved, this is what confuses me. I'm still trying to figure out which "situation" in which an extension cord attached to an exit sign would be safe.
In Australia, buildings which have a suspended ceiling in them,
I think you guys in the USA call them false ceilings,
It is nomal for all light fittings to have a cord and plug on them,
and in the roof space are outlets,
to which all lights are plugged into.
This way the roof tiles with ligth fittings on them can
be easily removed.
Perhaps in the USA you do something simulair.

So here is one situation where exit lights with a cord and plug
on them would be used.

You can also have outlets wired to a lighting circuit,
provided they are clearly labeled as "lighting only".

If code allows this in USA then you could also use similair outlets,
wired to light circuit,
to power exit lights with cord and plug on them.

This would be safe.
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Old 09-11-2011, 06:45 PM   #52
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Wiring Lights To A Plug


The NEC doesn’t allow the use of cords above a drop-ceiling (suspended ceiling). You can have receptacles, properly installed, above a drop-ceiling for use of portable tools, etc, but it’s not allowed to have permanent equipment plugged into them.
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Old 09-11-2011, 07:29 PM   #53
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The NEC doesn’t allow the use of cords above a drop-ceiling (suspended ceiling). You can have receptacles, properly installed, above a drop-ceiling for use of portable tools, etc, but it’s not allowed to have permanent equipment plugged into them.
This is because the area above the drop-ceiling is considered a plenum (air-handling space), right?

Also don't forget to consider the radioactive type of sign that does not require electricity.
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Old 09-11-2011, 07:50 PM   #54
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This is because the area above the drop-ceiling is considered a plenum (air-handling space), right?

C'est vari (that is true ) and there is few specfic items we can use in the plenum area but everyday stuff we can not use them unless it is NOT a plenum rated air space

Also don't forget to consider the radioactive type of sign that does not require electricity.


My answer in bleu and it is specficed in NEC very clear plus there may be a state / local adment to the NEC codés.

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Old 09-11-2011, 07:51 PM   #55
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Would it make any difference if a plenum-grade cable were used? Obviously the standard and riser-grade stuff would be a no-go.
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Old 09-11-2011, 08:34 PM   #56
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Not every above ceiling area is a plenum. In commercial, many are but not all. Whether it’s residential, commercial or industrial, code prohibits the use of cords above a drop-ceiling in any building, plenum or not.
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Old 09-11-2011, 08:34 PM   #57
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Thanks for the clarification.
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Old 09-11-2011, 09:38 PM   #58
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Quote:
Originally Posted by SD515 View Post
The NEC doesn’t allow the use of cords above a drop-ceiling (suspended ceiling). You can have receptacles, properly installed, above a drop-ceiling for use of portable tools, etc, but it’s not allowed to have permanent equipment plugged into them.
So the USA is different to Australia then ?
A lot of buildings with suspened ceilings do in Australia
connect light fittings that are mounted on removable ceiling panels
to the light circuit via a cord and plug.
Probably so they can be easily removed or shifted around.

I thought may be you were similair ?
But perhaps not .
I have learnt something new today .
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Old 09-11-2011, 10:50 PM   #59
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Wiring Lights To A Plug


We can hang small light fixtures and exit signs and the like in ceiling tiles. Usually with a 4 square box, mud ring and hanger bar. Can lights too, with their own support bars. 2 X 2 or 2 X 4 lay-in troffers...But we have to hard wire them.

Learned something about your area too
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Old 09-12-2011, 07:26 AM   #60
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I think we just found the cause of all those fires in the outback.

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