McCally Tools JC-5361 Johnson Test Probe

The McCally Tools JC-5361 Johnson Test Probe is an essential part of HVAC systems. This permits technicians to safely determine voltage, continuity or resistance as well as on electrical parts including control boards, motors and wiring connections. This tool is necessary for diagnosing problems in air conditioning units furnaces and refrigeration systems so that the problems can be accurately identified and the repairs performed as efficiently as possible. This is a reliable and versatile tool and essential for HVAC system professionals and electricians.