Antenna installation

Discussion in 'Electrical Forum discussion & Blog' started by acwilli, Mar 25, 2009.

  1. acwilli

    acwilli New Member

    Messages:
    8
    Location:
    Cannon Township, MI
    What are the pro's and con's of installing an antenna on a power pole?
    thx aw
  2. Speedy Petey

    Speedy Petey Licensed Electrical Contractor

    Messages:
    996
    Location:
    NY State, USA
    Define a "power-pole".
  3. acwilli

    acwilli New Member

    Messages:
    8
    Location:
    Cannon Township, MI
    The power coming the the grid leads to a junction for my community, then a single power source (feed wire) connects to a pole in my yard, then drops down to my house (connecting to my main breaker).
  4. jbfan74

    jbfan74 Electrical Contractor

    Messages:
    131
    Location:
    Newnan, GA
    Dangerous and may be illegal!
  5. acwilli

    acwilli New Member

    Messages:
    8
    Location:
    Cannon Township, MI
    Not illegal according to my power company, because I own the pole, but I was told that the electriacl interferance may be a problem. If graounded how can it be dangerous?
  6. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,133
    Location:
    New England
    First off, you have to get up there. Then, to get the coax down, it will may need to run parallel with the power - the worst way to minimize interference. I'd rather put it on the roof, or erect a new pole.
  7. Speedy Petey

    Speedy Petey Licensed Electrical Contractor

    Messages:
    996
    Location:
    NY State, USA
    You're right. Give it a try.
    What could go wrong. :cool:
  8. acwilli

    acwilli New Member

    Messages:
    8
    Location:
    Cannon Township, MI
    I do not follow your concept of vertical installation so I attached a picture of my pole. The upper line is electrical and the lower is my cable line. The cable line runs down the pole and is buried the rest of the way to the house. I want to attach my antenna to the top of the pole and tap into the existing cable system feeding my home, but again, I am mostly concerned with the interferance that electricity produces. I do however still would like to know if the antenna is grounded, is there any real lighting danger.

    thx aw

    Attached Files:

  9. Speedy Petey

    Speedy Petey Licensed Electrical Contractor

    Messages:
    996
    Location:
    NY State, USA
    To make matters worse, what could you possibly mean by this???
  10. jbfan74

    jbfan74 Electrical Contractor

    Messages:
    131
    Location:
    Newnan, GA
    I think he wants to replace the cable feed with the antenna feed.
  11. acwilli

    acwilli New Member

    Messages:
    8
    Location:
    Cannon Township, MI
    That's the plan, but safty and plausiblity are the real questions.
  12. thassler

    thassler New Member

    Messages:
    106
    Location:
    Tennessee
    The existing coax cable feeding your house from this pole is probably RG-6. If it's much more than 75ft from the pole to the tv in the house, you're probably going to have to much db loss to get much of a signal.
  13. jwelectric

    jwelectric Electrical Contractor/Instructor

    Messages:
    2,540
    Location:
    North Carolina
    810.13 Avoidance of Contacts with Conductors of Other Systems.
    Outdoor antennas and lead-in conductors from an antenna to a building shall not cross over open conductors of electric light or power circuits and shall be kept well away from all such circuits so as to avoid the possibility of accidental contact. Where proximity to open electric light or power service conductors of less than 250 volts between conductors cannot be avoided, the installation shall be such as to provide a clearance of at least 600 mm (2 ft).
    Where practicable, antenna conductors shall be installed so as not to cross under open electric light or power conductors.


    See if you can figure out how you can get connected up and adhere to that section.

    putting it up on that pole is a very bad idea and I recommond that you not put it there
  14. acwilli

    acwilli New Member

    Messages:
    8
    Location:
    Cannon Township, MI
    Thanks to all.

    I am definitely not going to attemp.

    aw
  15. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    Well, now that they have talked you out of that....I will add that around here ( San Diego) the cell phone companies are using street light poles as antenna location. It is a little different....no overhead power. Just whatever power runs us to the light. Seems to work.

    The use small monopoles. I don't know about your neighborhood, but again, around here, if you tried to put up some kind of TV multidipole anywhere near the public right of way, where others could see it and be offended by the visual blight, the Planning Commission would laugh you out of the room right after the voted 5/1 to disallow your permit!!!
  16. acwilli

    acwilli New Member

    Messages:
    8
    Location:
    Cannon Township, MI
    Good point.

    What really made the decision was the drop in signal. I will however research what cable they used and do the math.

    aw
  17. alternety

    alternety Like an engineer

    Messages:
    671
    Location:
    Washington
    IF by tap into the cable you mean disconnecting the cable service and substituting your own antenna, you could add a broadband amp to the line if signal levels are too low.

    If you mean attach while cable system is still in service there are two problems.

    1 - It is illegal because your antenna will radiate the cable signal. FCC really frowns on this and cable systems are required to periodically search to leaks. This would be a LEAK.

    2- The cable system will already be using those channel allocations and you will get a mess.
  18. brownizs

    brownizs In the Trades

    Messages:
    196
    Location:
    Springfield, IL
    And how would you secure to the pole? There is nothing to grab onto, plus you get the pleasure of having to place your arm over the Electrical drop to do anything.
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