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The Tech Thread: Show your work and face the heat.

Discussion in 'DIRECTV Installation/MDU Discussion' started by Mertzen, Sep 17, 2008.

  1. west99999

    west99999 Icon

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    May 11, 2007
    Some old pictures of 2 dish install Wildblue & DTV.
     
  2. cwtech

    cwtech Mentor

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    Oct 12, 2012
    trying to help revive the old thread and I enjoy seeing others work
     

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  3. cwtech

    cwtech Mentor

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    Oct 12, 2012
    I enjoyed this one, cust had dishnetwork ( out of site about 30 ft to the right ) cables not attached to the house and if it was it was drooping with clamps about 15 ft apart, wasnt grounded, no weather seals, barrels outside with the old crimp connecters, your getting the pic. Ran 2 new lines to both locations properly attachted in the grooves of the brick, one that wrapped the house was hid nicely in the trim, took a little extra time an made a extremely happy cust, icing on the cake once i was done, general chit chat with the cust and explaining the system, they said they had just took a from home dtv tech support job and was starting training in the next few days. So needless to say we had quite a while talk from both sides, Was very interesting.
     

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  4. slice1900

    slice1900 Well-Known Member

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    Iowa
    I'm not an installer, so I apologize if this a stupid question, but why do you have the splitter outside and run four cables into the house, rather than running the single cable into the cable and have the splitter inside? I'd be kind of annoyed if I had an install done that way, cutting a bigger hole in my house and having the splitter outside for no apparent reason...

    EDIT: this is referring to the second picture in the 10:42PM post.
     
  5. west99999

    west99999 Icon

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    May 11, 2007
    Per DTV required grounding is to be done outside. A ground block could have been put outside but then you got more connectors, more materials, extra db loss of signal, etc....
     
  6. Wolfmanjohn

    Wolfmanjohn Cool Member

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    Aug 8, 2002
    Chico, CA
    On the subject of grounding from an amateur: while I have always understood the code requirements for outside grounding, I've always grounded multiswitches, splitters, amplifiers, etc. in the attic (in the interest of eliminating extraneous connectors and environmental protection) and put a separate ground on the mast assemblies outside the house. That has been done with the full knowledge that even though there isn't much in the way of lightning around here, that doesn't mean sh*t can't happen and I can't lose some or all of my equipment in the process.
     
  7. cabletech

    cabletech Legend

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    Jan 20, 2011
     
  8. cwtech

    cwtech Mentor

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    Oct 12, 2012
    also note that this was a new home construction, with the 4 rooms pre-wired, and that is the place the builders had it coming out of the house.
     
  9. Wolfmanjohn

    Wolfmanjohn Cool Member

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    Aug 8, 2002
    Chico, CA
    Equipment in the attic is grounded to the HVAC unit, also in the attic, which is grounded to electrical panel ground. Separate exterior ground on masts (dish, OTA tv antenna, XM antenna, FM antenna) goes to electrical panel ground. Attic equipment is mounted on a board that is <2 feet from the access hole, with a light above it, and everything, including cables, is labeled; that's not for my convenience, as I know what's what and where every cable comes from or goes to. One can get to all that standing on a ladder without having to go in the attic. In the event someone else will be working up there, I will set up a ladder and remove the attic access door for them in advance of their arrival, and I think they have appreciated that.
     
  10. satinstallerguy

    satinstallerguy Member

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    Apr 21, 2013
    Cleveland
    That's baloney... Those switches are designed to be installed outside hence the weather seals.... That looks like a good install
     
  11. satinstallerguy

    satinstallerguy Member

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    Apr 21, 2013
    Cleveland
    You don't have to run 2 separate ground wires to the bond... You can run a jumper ground from one ground block to the other then from the 2nd ground block run a ground wire to the bond........... at least in Ohio we do... maybe that's code in your state.
     
  12. satinstallerguy

    satinstallerguy Member

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    Here's a couple older ones I did not use siding plate because it didn't fit for his siding design, Hence the direct attachment....

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  13. satinstallerguy

    satinstallerguy Member

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    Cleveland
    ]I didn't do the original install but I did the REINSTALL........ I can't believe this got past the QC............ LOL

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    Took awhile to reinstall this... Had to yank out all the crap the original installer put in and rerun all new cable........ I've seen some bad ones but this is a doosy.
     
  14. west99999

    west99999 Icon

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    May 11, 2007
    NEC states a separate attachment for each bond made.(that can be read to mean many ways). Wildblue would also fail if it were done that way. It was a specific clause in the contract that stated not to do that.
     
  15. satinstallerguy

    satinstallerguy Member

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    Apr 21, 2013
    Cleveland
    Gotcha I didn't realize Wild Blue makes ya do that..... I don't do WB but installing Dish if we drop 3 or more lines down from the same dish to 2 ground blocks we were instructed to use a jumper like that. However if we had to use 2 dishes we were instructed to run a jumper messenger wire from one dish ground lug to the other dish ground lug and then from that run the messenger down to the ground.
     
  16. cwtech

    cwtech Mentor

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    Oct 12, 2012
    Does Dish allow grounding to the HVAC unit breaker? You do know if lighting hits it, it stands a good chance at blowing the whole HVAC unit. I know technically that is supposed to be grounded, but the lighting and the surge still stands a very good chance at going through the HVAC unit,
     
  17. Wolfmanjohn

    Wolfmanjohn Cool Member

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    Aug 8, 2002
    Chico, CA
    I would think that if a lightning strike is strong enough to take out a HVAC unit, the dish won't be there when one goes looking for it, either.
     
  18. slice1900

    slice1900 Well-Known Member

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    Iowa
    Interesting thought about the HVAC unit. A few years ago in early spring a transformer a few blocks away from my house took a direct lightning hit. Loud bang, power out for a few hours. Everything sensitive in my house is on UPS or surge suppressor, so I thought I had no problems. A few weeks later when I went to turn on my AC for the first time, it didn't work. I had someone out and he said the capacitor had failed, and based on how it looked he said it was lightning and I told him about the recent strike. He suggested I use the on/off breaker switch next to it to turn it off during the cooler months, had I done that it would have survived the strike.

    The point being, if a lightning strike blocks away was able to take out my AC, anything that gets enough power running through your dish to fry the AC through the ground wire probably gets enough power running through the AC to fry it anyway!

    I recently learned I've had an ungrounded dish and OTA antenna at my business for the past eight years or so, which I plan to have addressed soon. I had an installer out to replace my LNB recently and had him check out the grounding situation based on what I'd learned on dbstalk.com. He didn't have time to take care of it on that visit, but he said it would be easy to do because my dish is fairly near a couple big HVAC units mounted on the roof. I figure at least in my case, those giant pieces of metal, being on the roof, are far more attractive to lightning that my puny dish and OTA antenna. If he runs ground wires to them I'm not too worried about a strike taking one out via the ground wire that wouldn't already have taken it out anyway :)
     
  19. satinstallerguy

    satinstallerguy Member

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    Apr 21, 2013
    Cleveland
    Yeah, they allowed us to ground like that in Ohio............
     
  20. gov

    gov Legend

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    Jan 11, 2013
    OK, here is a funny one:


    yes, it is indoors. It is also below grade. (technically, but it is a walk out basement on the non-street side). Yes, it is shooting through a window, and believe it or not, it works great. Home owner did not want an antenna on the roof or exterior wall. I noted house was on a hilltop and basement was not finished, there was a window in the right place and the client was happy.

    I did not bother with lightning protection on the coax this occasion, LOL!
     

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