In BusinessSince 1987
CA, FL, GA, ID, IA, IN, MA, MD, MI, MO, MS, NC, ND, NE, NY, OH, TX, WI
Long life LED glows when voltage is sensed at probe and indicates polarity: red is positive, green is negative. Use to locate shorts, opens and intermittents. Made of high impact chemical resistant plastic. Supplied with 4 foot ground wire. All solid state construction. Circuit Master® is supplied with Protect-A-Terminal® Probe Adapter, which will not deform sensitive female terminals at computer connections.