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Old 03-13-2023, 05:34 PM
wirejock's Avatar
wirejock wirejock is online now
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 6,021
Default Sub panel holes for cable

7A, Slider
I need a hole or two to pass cables toward the firewall. Assuming edge distances are respected, is there any issue with drilling and installing a grommet or snap bushing?
Those two EMS-220 cables are bulky.
Grommet or Snap Bushing?
Larry Larson
Estes Park, CO
E-mail: wirejock at yahoo dot com
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Old 03-13-2023, 07:59 PM
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wjb wjb is offline
Join Date: Nov 2012
Location: Half Moon Bay, CA
Posts: 1,179

I put a few holes in my sub-panel to do the same ... big enough to pass through a 28 pin round connector so I wouldn't permanent cable captured in the sub-panel. Many here have hacked up the center section with holes to let a long nav radio poke back, with no issues.

On consideration would be to put adel clamps attached to the bottom, 90 deg flange, to make removal easier in the future.

Grommet or bushing? What do you have in your box? I have a wide selection of bushings, so I went that way. Either seems fine.
Bill Bencze
N430WB RV-7 @KHAF, Flying 200+ hrs
VAF 2023 donation happily made
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