------------ ORIGINAL MESSAGE ------------(may be snipped)
On Mon, 17 Nov 2014 10:10:13 -0800, you wrote:
>
>Powerless are optimized for intermittent, field operation of dc equipment.
>Once installed correctly, you cannot plug something in wrong polarity, even if
>fumbling around in the dark. I now buy ONLY 12v supply equipment, and I
>immediately cut the power cords and install PPs. That way I can power/charge
>every single piece of gear from a common power source ranging from car battery
>to wall wart to bench PS.
>
>Using them in the shack for permanently installed gear is somewhat of a waste,
>but very convenient.
>
>Tom
>kf7rsf
REPLY:
Couldn't you do the same with the spade type male and female
connectors that have been around for decades at a fraction of the
cost?
Use the male for the negative source and female for the positive
source and you can't plug them in wrong either. Insulated, of course.
73, Bill W6WRT
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