ARRL 12 VDC Standard Connectors

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From: George Gingell (k3tks@u1.abs.net)
Date: Thu Mar 06 1997 - 23:38:28 EST


I knew It was in the Handbook somewhere. I finally found it on page
22.6 of the 1996 Handbook. I can't seem to find my books between
1988 and 1996, so I can't tell when that became the "Standard".

I personally have been using the Automotive Polarized type of connectors
for years on all of my QRP stuff with good success. I have made all
sorts of adapters and arrangements too interface with other connector
plans as well. I use the model 270-026 2 conductor accessory cable
12" long ($1.19) and the 270-025 4 ft DC fuse Cable. ($2.19)
There is also a model 270-027 four conductor accessory cable 12" long
that is useful as well. I much prefer these Rubberized end connectors
over the ARRL Standard part 274-222.

The Connector cables come with one male end and one female end.
I use the end which has the Red Wire and Female Connector on the
Power source and the end which has the Red Male connector as the Load.
Mainly because this prevents the + Power source from accidently
grounding out to a rig chassis, etc.

I generally use the Inline Fuse Cable on battery packs. I can't
seem to find the part number right now, but Radio Shack also has
an Inline fuse connector which is HIGHLY Recommended for all battery
packs. If you use a GATES or similar High Capacity Battery Pack,
A FUSE is Manditory!! It is best placed right at the battery pack.
You do not want to know what happens when a High Capacity Battery
gets shorted at the terminal end.

I have also made Polarity Reversing cables and Battery Charging
cables and adapters using combinations of these connectors and
Insulated Gator Clips. You can even make adapors to connect my
standards with the ARRL Standards.

I love this list, It has forced me to dig thru the books several
times this week just to see if I could find the requested information.
since I get the Digest, I expect that the Questions have been thoroughly
answered by this time. I hope my few additions help some others.

Mike, When did the connectors become the ARRL STD? Just curious, since
I can't seem to locate my 90's Handbooks? I am not sure how many I have,
I am reasonably sure that I have most from the 50's to present. plus
1943 & 1947. Guess I will have to start looking for the others. :-)
One can never have enuff books. :-) I have been trying to learn this
stuff by Osmosis for about 35 years now. :-)

QRP DX TU (C) 1986 G.Danny Gingell, K3TKS@.abs.net
Maryland Milliwatt QRP Reference Library, (301)572-6789


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