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“Continuity of Power” Scott W. Drumm – N3XFD.

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Presentation on theme: "“Continuity of Power” Scott W. Drumm – N3XFD."— Presentation transcript:

1 “Continuity of Power” Scott W. Drumm – N3XFD

2 Entering Arguments…The need for Continuity of Power
Continuity of electrical power to emergency communications equipment is essential. The probability that conventional power sources will be disabled during, or in the aftermath of, an emergency event is high. A multitude of 12v DC electrical connectors are in use, but no standard exists. To ensure #1, a standardized 12v DC electrical connector must be adopted by emergency response units, including HAMs.

3 Introducing…the 12vDC Anderson Powerpole Connector
Single connector for 15A to 45A. Three contact options allowing use of #10 to #20 gauge wire. Low voltage drop (< 0.02 volts). Inexpensive (approx. $1 ea. retail) Exceeds the current rating of the wire (based on max temp rise). Self-cleaning contacts can be disconnected while energized. Keyed, but genderless connector reduces required parts inventory. No soldering required!

4 Everyone else is doing it….
County of Orange RACES Brea RACES Huntington Beach RACES Auxiliary Communications Service Fountain Valley RACES West Coast Amateur Radio Club Cedar Rapids APRS Working Group Carson Valley Radio Club, Inc. Middle East Tenn. Emerg. Radio Serv. Silent Electric Flyers of San Diego Sacramento Amateur Radio Club Garland Amateur Radio Club Portland Amateur Radio Club Bloomington Amateur Radio Club Radical Chassis Midwest WA6TWF Super System S.M.A.R.T., Inc. Milwaukee Emergency Services Squadron San Luis Obispo County Emergency Communications VE3ZRR Repeater group Anaheim Police Radio Club Salt Lake County ARES MDM RADIO LTD Jefferson Amateur Radio Society San Bernardino County Emerg. Comm Svc. Kent County Amateur Club TADMAT Miss. Co. Amateur Radio Group Northern Nevada Amateur Radio Services Utah County ARES Utah Amateur Radio Club Fremont Peak Repeater Association Gallatin Ham Radio Club Coppell Amateur Radio Club Amateur Radio Lighthouse Society Greene County (Ohio) ARES Delaware Wing Civil Air Patrol Kokomo Amateur Radio Club Greensboro Amateur Radio Assoc. Loudoun County ARES Boston Amateur Radio Club El Dorado County Amateur RC Coppell ARES/Races Beckman Amateur Radio Club Litton Marine Systems Black Hills Amateur Radio Club HABITAT SkyLab Salt Lake County ARES WICEN NSW Psion Teklogix Chamelon Robot Davis County ARC EMA ARES Southern Arizona Rescue Association Cumberland County ARES/RACES Grover Beach EOC Amateur Radio Club Civilian Space eXploration Team (CSXT) Team Radicus Capitol City Amateur Radio Club Colorado Section ARES Milwaukee/Waukesha ARES Waverley Amateur Radio Society Colorado QRP Club Columbia Amateur Radio Club Southern California Transmitter Hunters Mission Viejo ARC RACES-ARES B.C.A.R.E.S Erie County ARES/RACES EMRG - Ottawa ARES Bloomington Amateur Radio Club Mercer County ARES/RACES Jersey Coastal Emergency Services Lyndhurst OEM R.A.C.E.S Delae Cwarounty EMA West Mountain Radio Sevier County ARES (SCARES) Sunset Empire Amateur Radio Club Delaware Valley Radio Association Southern Maryland Amateur Radio Club Southern Maryland APRS Group Nashua Area Radio Club (NARC) SK0JS - Tyreso Jota Scouting Radio Group New Hampshire ARES Rutherford Co. ARES Randolph Amateur Radio Club Solano County OES/ACS 120+ Amateur Radio and Emergency Communication Organizations have adopted the 12v DC 30A Anderson Powerpole as their standard power connector.

5 Anatomy of a Powerpole

6 Ordering Details: One housing design, three contact options
P/N Max Amp Gauge CONTACT OPTIONS 1332 15A 16-20 1331 30A 12-16 261G2 45A 10-14 CONNECTOR HOUSING 1327 RED 1327G6 BLACK Suppliers:

7 Powerpole Connector Assembly Procedure
Strip 5/16 inch of insulation from wire and insert into the contact barrel. Crimp the contact using one of several commercially-available crimping tools (a lineman’s pliers will NOT work). Insert the contact into the connector housing until it clicks into place. STANDARD ORIENTATION Although Powerpole’s are keyed (polarized) it is still possible to create a dangerous condition if two different sets of connectors are cross-wired. This can be prevented by following the standard orientation for the red (+) and black (-) housings, as shown above. This convention has been adopted by the manufacturers of all Powerpole accessories (e.g. RigRunners).

8 Powerpole Connector Assembly Procedure
1 2 3 The “best” crimping tool is the West Mountain PWRcrimp, but it is somewhat expensive at $50. Alternative crimping tools such as the Gardner Bender GS88 or the Harbor Freight are available for less than $10. These latter tools will distort the barrel of the contact slightly during crimping which will interfere with the installation of the contact in the housing. This can be corrected by rotating the contact 90 degrees and gently using the crimping die to eliminate the out-of-round condition.

9 NO Incorrect Crimping Technique
Regardless of the crimping tool used, the seam in the barrel of the contact must be against the rounded side of the tool’s die.

10 Powerpoles in Action

11 Powerpoles in Action

12 Powerpoles in Action

13 Powerpoles in Action

14 Powerpoles in Action

15 Powerpoles Accessories

16 Powerpoles Accessories

17 Closing Thoughts The 30A Powerpole is an ideal connector for 12vDC power connections. The housings mate together through molded dovetails. A roll pin is provided to lock the housings together into a two-wire connector. I prefer to use superglue on the housing dovetail as the roll pin can fall out (into your radio). Buy twice as many contacts as you will need for your project – crimping takes some skill if you’re cheap like me and are using one of the $10 crimp tools. Make lots of short jumper cables to other connector types (e.g. ring, spade, OEM T-type). They’re perfect for your emergency “jump-kit”. Think carefully before cutting the OEM connector off of your Yaesu Mark V and trying to install a set of Powerpoles. A jumper cable may be a safer choice. Keep your housings, contacts, zip wire, and crimping tool in your jump kit. This way, you can make field repairs or even construct new cables on the spot. Always, always, always follow the standard orientation diagram!

18 Introducing…the 12vDC 30A Anderson Powerpole Connector
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