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Old 12-04-2007, 15:28   #1
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12 Volt plugs

Anyone know of a plug that screws in or securely fastens in some other way.

I'm continually melting plugs and throwing breakers using laptops because the plugs and sockets won't maintain good contact.
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Old 12-04-2007, 16:51   #2
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Marinco (AFI) pricey devils, but they work well! Buy the combo pack that gives ya both the plug & the receptacle.
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Old 12-04-2007, 17:21   #3
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2 prong speaker plugs from guitar center. The are pretty cheap.
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Old 12-04-2007, 22:00   #4
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1/4" Audio jacks. I wired my boat with these and they've worked great for, Oh lord 15 years! You have to buy the good ones though. Switchcraft is what I used. Radio Shack plugs worked about a week.

When attaching one to a gizmo, solder the leads, Positive to tip negitive to the case. Fill the plug with silicon and screw it togather.

I totally love these for 12V.

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Old 13-04-2007, 02:03   #5
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I’ve never been happy with the normally available 12VDC outlets (receptacles) - not the W.P. Bi-Pin Deck Connections (Perko1189 Series, Cole-HerseyM121-BP, SeaFit, & etc), and especially not the Lighter Socket type (commonly fitted to accessories).

For 12 Volt DC accessories, I use Midget Twist-Lock Devices” (2 Pole, 2 Wire, Polarized, NEMA Code ML-1), such as the:

Hubbell #HBL7526C Flanged Receptacle (or Cooper #7468 etc.)
http://www.hubbellcatalog.com/wiring...s/Page-B03.pdf
and
Hubbell #HBL7545C Plug (male cord cap) (or Cooper #7467 etc.)
and
Hubbell # #HBL7506C Female Cord Cap (or Cooper #7464N etc.) to make an extension cord.

Although these devices are intended for AC use (UL rated for 15A 125VAC - polarized), they are an excellent alternative to the conventional DC outlets.
They are rugged, corrosion resistant, easily installed, attractive, and best of all “Twist-Lock”.

Not normally available at Marine stores, these NEMA type "ML-1" Midget devices are available at any good Electrical (or Industrial) Distribution Supply house. Electrical distributers can be found by "Locate Distributers" on the Hubbell website at: Hubbell Wiring Device-Kellemsistributor Search

I haven’t used the "Trolling Motor" connectors (Marinco #20188R), which though 4-pole, are "Twistlok".
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Old 13-04-2007, 09:17   #6
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Thanks guys for the great suggestions.
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Old 13-04-2007, 09:37   #7
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Gord - they are also available at my local Home Depot - decent price and they work well - I do use shrink wrap where the wire enters the connector as well
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