Di-Log-Proving-Unit-For-Insulation-Continuity-Tester-PU250-Di-Log-PU250-P-The-quality-of-insulation-is-critical-to-assure-proper-uninterrupted-&-safe-functioning-of-electrical-circuits-The-Di-Log-PU250-Proving-Unit-For-Insulation-Continuity-Tester-has-been-designed-to-diagnose-&-prevent-the-breakdown-of-the-insulation-in-various-parts-of-the-electrical-system-such-as-wires-transformers-&-motors-The-KMP7036-features-three-testing-voltages-covering-wide-range-of-commercia