Solar Pros, I've had real reservations about using traditional bus-type combiners that fit 2/0 down to #10 awg wires. They are almost always a poor fit and electrical connection for smaller gauge wires.
A neat solution I found to make 100% contact with all screw-type connectors, I
started using a "bootlace" ferrule on the wire ends. The thinwall copper/tin
sleeve will crimp easily onto the wire and is easily compressed into a form
matching the connector jaws. I use it exclusively on DIN rail type terminal
blocks and would use it on larger wires >#10 but the Paladin 4-jaw crimper only
goes up to #10.
The internal jumper makes an excellent connection to any number of dist blocks
using threaded rather than compression connections.
Alliedelec.com
400-0144 ferrule
889-1441 crimper
502-3240 internal jumper
502-3744 terminal blk
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
--------------------------------------------------------------------------------
----- Original Message -----
From: d...@foxfire-energy.com
To: RE-wrenches
Sent: Monday, July 27, 2009 6:17 AM
Subject: Re: [RE-wrenches] CBI circuit breakers
The only problem I've had with them is that their connectors can allow multi
stranded wire to "broom out", (after installation) -- causing a loose / high
resistance contact. I've learned to torque / wiggle & twist and retorque all
multi strand connections. I have had one side of a 60A QO breaker go open out
of the blue. db
Dan Brown
President
Foxfire Energy Corp.
Renewable Energy Systems
(802)-483-2564
www.Foxfire-Energy.com
NABCEP #092907-44
-------- Original Message --------
Subject: Re: [RE-wrenches] CBI circuit breakers
From: Allan Sindelar <al...@positiveenergysolar.com>
Date: Mon, July 27, 2009 1:36 am
To: "'RE-wrenches'" <re-wrenches@lists.re-wrenches.org>
I have had no problems to date, Kent. Can you be more specific as to what
problems you have had?
Allan Sindelar
al...@positiveenergysolar.com
NABCEP Certified Photovoltaic Installer
EE98J Journeyman Electrician
Positive Energy, Inc.
3201 Calle Marie
Santa Fe, New Mexico 87507
505 424-1112
www.positiveenergysolar.com
-----Original Message-----
Is it just me, or have other wrenches had problems with the CBI circuit
breakers used in the Outback or Midnite combiner boxes?
Kent Osterberg
Blue Mountain Solar, Inc.
http://www.bluemountainsolar.com/
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