Why the Jumper King Supco is a Tech's Best Friend
I honestly don't know how I managed before I finally picked up the jumper king supco for my service bag. If you've spent any time at all troubleshooting HVAC systems or messing around with control boards, you know the absolute headache of trying to hold two probes, a flashlight, and a manual while simultaneously trying to jump out a circuit. It's like you need three or four hands, and last I checked, most of us only came with two. ...