Fuse Buddy Current Loop – ATC Blade Just clamp your current probe over the loop to access the amperage draw through a fused circuit.. Easy testing access, plugs right into fuse socket, no more hand made adapters. . Can be used to diagnose a variety of amperage draw problems including: - Fuel Pumps - Battery Drains - Blower Motors - Shorts. Also handy for installers needing to monitor circuit amperage limits. 308B can plug into ATC size fuse sockets. Testing range 0-30 Amps – DO NOT EXCEED 30 Amps. One year warranty 308B Prop65 information pending -