Proper grounding and bonding systems are critical for keeping your facility and workers safe. Just like all systems, your electrical system needs proper care and maintenance to continue supporting your operations. Ground resistance and continuity testing can uncover potential failures in the grounding system, and our experienced team can help you resolve these issues. A grounding audit from Interstates will leave you with steps to avoid lost production time, protect your employees, and give you peace of mind. 


We make sure there’s a good path to ground for energy to dissipate, avoiding dangerous electrical shocks and protecting your workers.


Having a good ground connection makes equipment and instruments work properly. 


Grounding audits are an important part of electrical preventative maintenance programs and help keep equipment like metal detectors and motor bearings in working condition.

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Audit Your Grounding System for Equipment Longevity

A grounding system evaluation goes beyond protecting your workers from electrical shocks; it also gives you ways to protect your equipment and instruments from static buildup, slow but costly equipment damage, electrical surges, and faults. Rather than waiting for a failure incident to expose hazardous conditions or damaged components, give your system the care and preventative maintenance it needs. 

Enhance Safety

Electrical shocks from a fault can range from a minor scare to devastating loss of life. Grounding audits can help prevent this concern from happening. With a thorough system assessment and electrical troubleshooting, we’ll find problems in your grounding system that cause potential hazards. Our grounding system evaluation will leave you with measures you can take to improve your system. 

When you’ve corrected the issues our team finds, you will have peace of mind knowing you protected your employees by making their workspace safer. 

Process Guide

Your Guide to a Successful Grounding Audit

Grounding audits are just another step in preventative maintenance for a safer, more reliable facility. Working with Interstates on a grounding audit gives you access to a team of electrical experts ready to answer your questions. While on-site, we alert you of any critical ohm readings and immediate concerns. By the end of our process, you’ll understand what’s needed for an improved system. 

Grounding Severity Guidelines

Determining Your Ohm Readings

There’s a purpose to rules, that's why the NEC and IEEE set limits for ground testing. We’ll report the ohm value of each test point and identify the severity of each reading. See the table for Interstates' recommended readings.

Example Report

Steps For an Improved Grounding System

Every site is different, but the goal is the same, to keep your team and equipment safe from a potential fault. In our grounding audit reports, we walk you through the issues identified at each plant and our recommended solutions. It’s a report to leave you feeling confident in what’s next after the evaluation. 

Get Started Today

Our experts will identify issues and provide practical solutions for a safer, more reliable facility.

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