120 volt bulb in a 12 volt circuit = dim red bulb. 12 volt bulb in 120 volt circuit = flashbulb. These bulbs are also available in 32 volts if you look around. You can find 12 volt Edison base CFL bulbs too on FleaBay.
Joe Della Barba From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Frederick G Street Sent: Friday, January 25, 2013 9:58 AM To: cnc-list@cnc-list.com Subject: Re: Stus-List LED lights Agreed with what Rick says. I always found it odd that many older boats ('50s & '60s vintage) had light fixtures with standard light-bulb bases (like you have in your house for 120VAC), but the actual lamps (bulbs) used were rated at 12VDC. These are still sold: http://compare.ebay.com/like/110613336060?var=lv<yp=AllFixedPriceItemTypes&var=sbar This always seemed like a recipe for disaster, getting the bulbs and fixtures mixed up. Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( On Jan 24, 2013, at 6:07 PM, Rich Knowles <r...@sailpower.ca<mailto:r...@sailpower.ca>> wrote: Better check what the manufacturer states. If it's got a medium base, convention dictates that the screw part is negative and the button is positive. I sure don't like using AC fixtures for DC circuits or appliances.... Rich Knowles Indigo. LF38 Halifax On 2013-01-24, at 19:50, "Fred Hazzard" <fredhazz...@spiritone.com<mailto:fredhazz...@spiritone.com>> wrote: Fred or others: I am converting a 120 V fixture to a 12V LED light. The new bulb screws in just like a 60 W bulb. Is the center connection in the fixture the positive side?
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