Aluminum has a lot more resistance (and heating as a result) as compared to copper. I would stick with copper as a choice over aluminum.
-----Original Message-----
From:
owner-personal_submersibles@psubs.org [
mailto:owner-personal_submersibles@psubs.org] On Behalf Of Jon Wallace
Sent: Sunday, August 09, 2009 1:10 PM
To:
personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Electrical thru-hulls
Thanks for that Jay. I wonder if Aluminum would be an adequate substitute.