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1156 bulb versus CF bulb

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Posted by Tim Thomson on January 15, 2006, 3:06 pm

Does anyone know how much a 1156 12 volt auto buld draws?
What would a 120 volt CF bulb draw on the 12 volt dc side of one of
those cheap crappy tire inverters 75 watt and 400 watt. (rated at 9
watts 120 vac)
This is an RV project..........

Posted by BobG on January 15, 2006, 4:07 pm

I typed '1156 bulb' into google and the 1st hit said 12.8 watts.

Posted by idundidit on January 17, 2006, 8:53 am

that was 12.8 volta Bob

Posted by Steve Spence on January 15, 2006, 5:02 pm

Tim Thomson wrote:

Why not just pick up a 12vdc fluorescent from home depot for $1. 6
Watts and a lot of light.

Steve Spence
Dir., Green Trust, http://www.green-trust.org
Contributing Editor, http://www.off-grid.net

Posted by SolarFlaire on January 15, 2006, 5:22 pm

Because they sell spare tubes right beside the units
and the demo units in the store are half black on the
tubes. It looks like they haven't provided for low
voltage on the inverters and it burns out the tubes
post haste.

How do we know these 12 volt flourescents are any more
efficient than 12 v incandescents and cost 20 times the

dc side of one of

watt. (rated at 9

depot for $1. 6

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