Cu to Al Splicing [RE-wrenches]
Jeff Clearwater
clrwater at earthlink.net
Wed Sep 6 10:31:36 PDT 2006
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Hi Mick,
THANKS! This is exactly the kind of thing I was looking for! I
really appreciate it!
Welcome to the List! It's a invaluable tool and a great community -
glad to have you join us.
Best Regards,
Jeff Clearwater
Village Power Design
>Hi, Wrenchies~
>
>I'm a newcomer to the list and have mainly been lurking so far. In reply
>to Jeff's question below:
>
>Consider using the ILSCO #CPM-3/0 "wire connector adapter" on the
>aluminum. See this @ ilsco.com This is a Noalox filled connector that
>crimps onto the cable much as with a battery lug, but the other end of
>the connector is a short bit of stranded tinned copper wire about the
>same size as #2 THHN. The connector comes with a plastic slip on
>insulation jacket but I suggest you instead use a big sleeve of glue
>filled heat shrink to seal the crimped connection. That would handle
>your aluminum degradation worries very completely, and it effectively
>"converts" your 3/0 aluminum into smaller gauge copper.
>
>Once you have "necked down" the aluminum to a size & material almost
>identical to your #2 copper cable, the Polaris type connector suggested
>by others would be smaller in size & less costly...or use a split bolt.
>Adapting the aluminum down in size and across into copper via the
>sealed/crimped connection makes the rest easy.
>
>The ILSCO part mentioned above is 10 per box and may be hard to get in
>smaller quantity. Price it out at your local electrical supply house.
>You could then contact me off list if you only need one or two, as I
>have a partial box on hand.
>
>Sorry if my name appears twice, but this is my first post to the list. I
>hope this will be helpful. Mick Abraham
>
>Jeff Clearwater wrote:
>>
>> Wrenches and Other assorted Hand Tools,
>>
>> (So would that make Matt a Tourque wrench? : )
>>
>> I need to splice 2 AWG Cu to 3/0 Al - potentially in an underground
>> pull box or outside above ground J-Box. Can I hear folks preferred
>> methods? A Cu/AL rated butt connector smeared with NoAlox and sealed
>> with 3M Mastic or Rubber Tape and then 88 tape would be my
>> inclination. But 8 miles up a dirt road - 10 years from now I would
>> rather not have a callback!
>>
>> Those wrenches with more tourque - or at least more experience -
>> please enlighten me!
>>
>> Thanks!
>>
>> Jeff C.
>>
>>
>> --
>> ~~~~~~~~~~~~~
>> Jeff Clearwater
>> Village Power Design
>> Sustainable Energy & Water Solutions for Home & Village
>> http://www.villagepower.com
>> gosolar at villagepower.com
>> NABCEP (tm) Certified Solar PV Installer
>>
>> 530-470-9166
>> 877-SOLARVillage
>> 877-765-2784
>> 72 Baker Rd.
>> Shutesbury, MA 01072
>> 425 Nimrod St.
>> Nevada City, CA 95959
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`~
>
>
>
>Abraham Solar Equipment
>Pagosa Springs, CO
>www.abrahamsolar.com
>
>
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--
~~~~~~~~~~~~~
Jeff Clearwater
Village Power Design
Sustainable Energy & Water Solutions for Home & Village
http://www.villagepower.com
gosolar at villagepower.com
NABCEP (tm) Certified Solar PV Installer
530-470-9166
877-SOLARVillage
877-765-2784
72 Baker Rd.
Shutesbury, MA 01072
425 Nimrod St.
Nevada City, CA 95959
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`~
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