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I am going to drill through hardie plank to run CAT6 to a camera. The run outside the house will be about 10' to 12'. Total run is about 30'. I wanted to ask if I am going about this the correct way.

  1. Going to use masonry bits to drill through the hardie plank for the CAT 6 drop probably 1/4" or 5/16" bit

  2. Run outdoor Shireen CAT6 cable

  3. Attach coax clamps to Hardie Plank

  4. Secure coax clamps and camera to Hardie Plank via Gardner Bender Concrete Anchors

  5. Not sure what type of caulk to use to seal the hole for the CAT6 cable and to seal around the camera??

Here is a picture of where I was going to install. Yellow line is CAT6 and red X's are the cameras.

Anything I am missing and what type of caulk would I use to seal hole and around the junction box for the camera?

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If you're using pre-built cables, make sure your hole is big enough for the RJ45 connector to go through. If you're crimping ends up on a ladder... have fun! :)

When drilling holes for the anchors, be sure to use the proper size bit for the anchors you're purchasing. You might need 2 different bits (one for the cable, one for the anchors), don't scrimp a few bucks by trying to make do with just one. The reduced frustration on a ladder will more than make up for a few dollars for an extra bit.

Other than that, you plan seems sound.

As far as caulk, I'd use a good, exterior grade clear silicone. Put a blob of caulk on the anchor (like the red one in the cable clamp link), then put the thing to be attached over the blob & drive the screw through the caulk. Don't put the caulk over the screw head unless you like guaranteeing frustration in the future if/when someone has to take this down. Cleaning the caulk out of the screw head so you can get a driver back in can be a nightmare.

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  • That is SOLID advice. I know there is a good reason but why put silicone on anchor then attach the clamp? Also, is there a particular type of silicone caulk you can recommend or will any type of silicone work? Thank you for the response!
    – amrog
    Nov 1, 2021 at 21:07
  • Almost forgot, can I use a regular drill to drill through Hardie board?
    – amrog
    Nov 2, 2021 at 1:02
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    For drilling through the Hardie Board, a regular drill should be fine. Actually, other than that you've chosen hammer drill bits (based on your link), you should be able to use a regular drill to drill into the brick behind them, as well. You're drilling small holes and not going very deep into the brick, so you should get there just fine. I would imagine that you could chuck those hammer drill bits into a regular drill and they'd work fine (haven't tried it myself), giving you the flexibility to switch to a hammer drill in the future if you needed to.
    – FreeMan
    Nov 2, 2021 at 11:58

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