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Re: [GMCnet] Poll: Do you use and carry dielectric grease in yourRV? [message #239939 is a reply to message #239926] Thu, 13 February 2014 21:21 Go to previous messageGo to previous message
jhbridges is currently offline  jhbridges   United States
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma:
Senior Member
The aluminum wire stuff is conductive.  The heat conductive may or may not be, but shouldn't be used on aluminum wire at all.  For what it's worth, I will not live in a house wired in aluminum, regardless what the electrician used on the connections.  Personal preference after watching a couple of them catch fire.  When our first house was built after she abnd I got married, I took the electrician a 250 foot roll of 12/2 and ground copper and a hundred feet of 10/2 and ground and had him use that, as did one other guy in the subdivision.  They are the only two houses there which haven't had to be rewired over the years.
The Quincy Tinworks (Harris Broadcast) went to the heat pads on their RF pallets in a family of transistor radios and solved a longterm problem we were having with dissimilar metal expansion making the RF devices' pallets loosen from their heat sinks.  If we didn't tighten them every six months or so, they would overtemp and eat the devices.  Just as the distributor modules in the GMC will go Dixie of they aren't kept cool.  The difference being, the RF devices are about $175 each and they blow two at a time.
 
--johnny
'76 23' transmode norris
Braselton GA
 


________________________________
From: Bill Wevers <gmc1975@att.net>
To: gmclist@temp.gmcnet.org
Sent: Thursday, February 13, 2014 8:49 PM
Subject: Re: [GMCnet] Poll: Do you use and carry dielectric grease in yourRV?




Heat conductive silicone (with an e)  white
grease is what we used to put under transistors in big
computer power supplies. They put out 1000amps at 5 volts.

Then somebody invented a heat conductive silicone pad insulator
that was less messy. And it was easier to assemble under the power transistors.

Dielectric grease is what the building inspector told me I
needed under the aluminum wire connection going to my stove.
I guess it couldn't hurt to use in the motorhome if dissimilar metals
are used in an electrical connection.



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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons. Braselton, Ga. I forgive them all, save those who hurt the dogs. They must answer to me in hell
 
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