DC INSULATION RESISTANCE TESTING

We offer insulation resistance testing via DC voltage for manufacturing plants, industrial facilities, and other commercial and municipal facilities. Contact us today to request service today or call (704) 573-0420. We serve western North Carolina and Upstate South Carolina with offices in Charlotte, and Greenville.

How Does Insulation Resistance Testing Work?

Insulation Resistance (IR) Testing applies a high DC voltage to measure insulation resistance. This test measures leakage current through the insulation so you can assess the condition of the cable.



This cable testing method is simple and quick and can be used to test various electrical equipment, from low to high voltage.



Do I Need Insulation Resistance Testing?

Insulation resistance testing is a common service included in a facility’s preventive maintenance plan. Since manufacturing plants use a wide range of electrical equipment, such as motors, transformers, switchgear, and other cables, insulation resistance testing helps ensure the structural integrity of cables powering this equipment.



A Typical DC Insulation Resistance Test Procedure