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Thread: Category Cable Outside

  1. #1
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    Category Cable Outside

    So, I don't really do any data or phone cable, but I have a customer that needs a phone jack for DSL on the second floor. I intended to use outdoor or direct burial cat 3 or 5 strapped to the side of the house and up to the bedroom. When I went to order the cable, I stumbled across a credible-sounding guy on a networking forum saying it was very dangerous and against code. Is there a code issue with running this cable on the outside of the building I don't know about?
    Master Electrician

  2. #2
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    Quote Originally Posted by jes25 View Post
    So, I don't really do any data or phone cable, but I have a customer that needs a phone jack for DSL on the second floor. I intended to use outdoor or direct burial cat 3 or 5 strapped to the side of the house and up to the bedroom. When I went to order the cable, I stumbled across a credible-sounding guy on a networking forum saying it was very dangerous and against code. Is there a code issue with running this cable on the outside of the building I don't know about?
    I don't know why, but it isn't direct burial you will be looking for it is sunlight resistant. I have CAT 5 run outside my house been there for 12 years tucked up under the eve on the north side of the house so it doesn't get sunlight either. Regular CAT 5 no problems.


    I know what I don't know, and I know where to go to find it!

  3. #3
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    Quote Originally Posted by Strathead View Post
    it isn't direct burial you will be looking for it is sunlight resistant.
    Good call. I was thinking DB because it would be tough and waterproof. Forgot about the sunlight concern.
    Master Electrician

  4. #4
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    Quote Originally Posted by jes25 View Post
    Good call. I was thinking DB because it would be tough and waterproof. Forgot about the sunlight concern.
    In my opinion and in no way to express a knowledge of any applicable code, but the water issue is for water being able to enter the cable. Your ends will be in dry locations so I wouldn't worry about water wicking in to the cable.


    I know what I don't know, and I know where to go to find it!

  5. #5
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    Quote Originally Posted by jes25 View Post
    So, When I went to order the cable, I stumbled across a credible-sounding guy on a networking forum saying it was very dangerous and against code. Is there a code issue with running this cable on the outside of the building I don't know about?
    Ha! Yeah, IT guys always sound credible. That's how they get their idiot bosses to pay them big money. Problem comes in when actually have to show they know something.

    The thing with direct burial cable (and I won't say problem) is that it is filled with a gel or grease so water won't travel if it does get in. The gel or grease can be flammable in some cases so it shouldn't be run inside of a building. If it's a listed cable however (CL2, CMP) there shouldn't be an issue otherwise the Code only allows five feet. This is usually a problem with phone company cable that is not listed and run from outside into a building.

    So to answer your question you certainly can run it up the side of the house and in to the jack regardless if it even listed.

    -Hal

  6. #6
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    Thanks for the laugh and the info.
    Master Electrician

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