Meta Description: Learn what insulation resistance testing is, why it’s essential for predictive maintenance, and how it applies to motors, transformers, cables, and switchgear. Discover test procedures, interpretation tips, and industry standards. Keywords: insulation resistance testing, megohmmeter, IR test, predictive maintenance, transformer insulation, motor winding testing, NETA, IEEE 43 🧰 What Is Insulation Resistance Testing? […]
