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#12
01-09-2002, 02:16 AM
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For Darren
Hi,
A relay electrically isolates, by physical means, the ballast outputs from the tube (and the other ballast). Think of a relay has an electrical switch that can be controlled electrically. There is built in protection in side the ballast because they usually use HEXFET transistors as the main driver. They are very sensitive to voltage over-stress. Hence, they do have built in diode to prevent voltage over-stress from damaging the transistor. Voltage overstress can occur when there is feedback (aka refelections) from the load (lamps). - Victor. 
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#13
01-09-2002, 02:18 AM
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For Darren
hmmok I think I know what you meean.. I could set a relay up so that when it sences power on the plug side of the balast it will close and let power out to the ballast. when my timer shut off it would sence no power and open the relay.. damn Not bad for a stoker eh Darrren [img]images/smiles/icon_biggrin.gif[/img]
Steve
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#14
01-09-2002, 08:49 PM
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For Darren
ok I went to quale and the bigest AC relay I could find was a 4 pole. so relay and socket comes to 20.00 and I need to isolate 6 wires at least.. I would have love to find two 6 or 8 pole relays but I couldent. so I think I am going to try it with out the relays.. if the ballasts have protection I am fine.. if they don't I smoke a 45.00 ballast and when I buy a new one I will fork out the 40.00 for relays also [img]images/smiles/icon_biggrin.gif[/img]
Steve
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#15
01-10-2002, 03:58 AM
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For Darren
Hi,
I think radioshack sells them cheaper. I think they were $10....you don't need tons of current. 1A max.
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#16
01-24-2002, 08:56 PM
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For Darren
ok if I hook up the two ballasts and run them and one blows up [img]images/smiles/icon_smile.gif[/img] would the wholsaler be able to tell it blew up because I hooked it up in a unrecomended mannor [img]images/smiles/icon_biggrin.gif[/img] [img]images/smiles/icon_biggrin.gif[/img]
or would I get aways with.. I don't know what happened, I turned on the lights and.... [img]images/smiles/icon_wink.gif[/img] Steve [ 24 January 2002: Message edited by: StirCrazy ]</p>
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Linear Mode
