CCTV cameras mounted on parking lot metal lighting poles

[The Kilowatt Kid]

Are there any restrictions in the NEC against running a CCTV (shielded) analog signal cable which has a 300v rated jacket up the inside of a metal lighting mast along with the lighting power conductors? The luminarie ballast primary would be rated (and consequently fed by) either 208Y/120v or 480Y/277v conductors.

 

[colosparker]

I asked a similar question, but with wireless communication wiring and light power. Not sure how light poles, masts, etc. are defined ie. raceway or an enclosure. Common sense tells me there has to be some type of separation with either a divider or using MC for the light power. The pole I am refering to has 277V light power, speaker wiring, and wireless communication wiring all mixed together.

It's so easy for communication/CCTV/ wiring contractors to invade existing light poles with little or no regard for NEC rules. All of the wiring getting tangled up inside a light pole just seems like an accident waiting to happen.

 

[peter d]

Separation is required. by 800.133(A)(2). In the case of a lighting pole, this can be accomplished by running the coax/power in a raceway, like LFNMC.

 

[colosparker]

Peter,


410.15(B) defines the pole "as a raceway to enclose supply conductors".
If the light pole is a raceway(?), then wouldn't it fall under 800.133(A)(1)(c) which requires a permanent barrier or listed divider.

Not implying that your answer is wrong, just trying to understand gray area surrounding this application. 800.133(A)(2) has no definition of "other applications".

 

[peter d]

Peter,


410.15(B) defines the pole "as a raceway to enclose supply conductors".
If the light pole is a raceway(?), then wouldn't it fall under 800.133(A)(1)(c) which requires a permanent barrier or listed divider.

Not implying that your answer is wrong, just trying to understand gray area surrounding this application. 800.133(A)(2) has no definition of "other applications".

Don't worry about correcting me. We all make mistakes, and if I make one, I want to hear about it.

Anyway, onto the grey area. I don't know of any poles that have permanent dividers in them, so that's why I'm thinking that (A)(2) is the "more applicable" answer. But no matter how you slice it, some type of separation is necessary. In the case of a hollow pole, it looks like another raceway system inside of the pole is needed.

 

[dlhoule]

:? Wouldn't 620.36 come into play here? As long as the primary was 300 Volts or less IMO 620.36 would apply.

 

[tom baker]

620.36 is for elevators etc and does not apply to this application. See the scope of Art 620

 

[dlhoule]

Thanks Tom, I sometimes get carried away and put my foot in my mouth instead of doing a little reading.