Spent $600 on a good thermal imager a few years back. Best money I ever spent.
Used to hunt for hot spots and bad connections with my hands. Or just guess. Found a loose lug on a 400A service that was almost glowing. Thing paid for itself that week. Anyone still using the old methods, or has everyone switched over?
Works every time, loganthomas. I've got a spot on my wrist that's basically a spice detector now. Mild stuff just feels warm, but the real hot ones start tingling in under ten seconds. Saves a lot of surprise mouth fires.