Chafe protection for electric wire

[whimsy]

Rounding and smoothing the edges of the hole in your mast would also help.

That way if whatever you use as chafe protection starts to fail, the chafe from a rounded surface will be much less than you would have got from a sharp corner.

[SV Papillon]

Hello,

This is one occasion that using a professional rigger is in your best interest. I have done the DIYS approach on this in the past and been unpleasantly irritated about resulting issues that I was not aware of. There are two key issues of concern, 1 putting holes in your mast up to 1" in diameter is a big deal and if done incorrectly can potentially weaken the mast and cause a failure. 2. Electronics are quite spendy, you really do not want to do a substandard instillation that may cause them to fail in the future. You can get all kinds of advise on forums like this on what the best approach is, but the best approach really is to hire a professional rigger for a couple hours minimum to come down and advise you on how best to approach the task at hand. There are all kinds of variables that may not be taken into consideration when your only goal is to get something on mounted on the stick.

Jake

[Saltyhog]

Mcmaster-Carr has large rubber grommets. I would think a combination of a grommet and a 2 part silicone would do the trick. Use the grommet to position things, and seal with the silicone. The silicone is more UV resistant than most rubber, and using the 2 part means you can build up the full thickness in one operation. Nothing sticks to cured silicone, including silicone, so "building up" multiple layers of air cure silicone can be problematic. Is there no way the connector can be removed/reattached so you can use a smaller hole?