nick8086 Posted September 29, 2018 Share Posted September 29, 2018 They plug into 110. Link to comment Share on other sites More sharing options...
Grandpa Posted September 29, 2018 Share Posted September 29, 2018 Post WW2 sealed beam Unity (made in Chicago) driving lights. If the lights operate on 120 Volts, then the original 6 or 12 Volts bulbs have been changed. Unity is still in the business of making accessory lights and spotlights. I contacted them a few years ago to obtain a hole drilling template for mounting a spotlight for a vintage car. Link to comment Share on other sites More sharing options...
Grandpa Posted September 29, 2018 Share Posted September 29, 2018 The silver colored insulation wires are the original wires, which are intended for use on low voltage. The wires likely use a rubber insulation, which can become hard and brittle with age. For safety concerns, operation of these lights on a voltage greater than 30 Volts should not be attempted. 1 Link to comment Share on other sites More sharing options...
mribbich@wi.rr.com Posted September 30, 2018 Share Posted September 30, 2018 They are trouble lights I have one that works off a 6 volt cigarette lighter. Marv. Link to comment Share on other sites More sharing options...
keiser31 Posted September 30, 2018 Share Posted September 30, 2018 1940s. Link to comment Share on other sites More sharing options...
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