CampHamp Posted January 11, 2022 Share Posted January 11, 2022 I just received two of these by FEDEX from Walmart: YITAMOTOR 32INCH 420W LED LIGHT BAR Spot Flood Combo Fits Ford Offroad Truck SUV ATV 30"in They were $22 each, free shipping to NH. In order to select the correct wire gauge and fuse, I needed to know the actual amp draw. I thought that I would share this info in case someone wanted a cheap light bar and wouldn't need to do the amp test for themselves. Advertised Capability: 420W Halogen = 5400 lumens Test Results: Battery Level: 12.21V Draw Amps: 5.43A Implied Watts: 65W Conclusion: 65W LED = 5850 lumens I used this "watts to lumens" calculator. Link to comment Share on other sites More sharing options...
CampHamp Posted January 11, 2022 Author Share Posted January 11, 2022 Related photos: Link to comment Share on other sites More sharing options...
CampHamp Posted January 11, 2022 Author Share Posted January 11, 2022 According to the chart, below, it's safe to use 16 gauge up 40'. Also, since my dash switches are rated to 20A, I will not bother with relays. Link to comment Share on other sites More sharing options...
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