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Safety Technologies


The Right Vendor Partnerships Positively Impact Line Crew Safety

A variety of factors influence the safety of those who work on utility lines. Many of the items are standard and likely on everyone’s line worker safety checklist. But there’s one that may not be top-of-mind when considering how to keep linemen and linewomen safe — the influence...

Battery Fires Pose Minor Environmental Risks, ACP Report Finds

Battery fires in large-scale energy storage systems (BESS) have raised concerns, but a recent review by the American Clean Power Association (ACP) found that such incidents pose only minor environmental risks. According to a third-party analysis of U.S. battery fires since 2012, these fires did not...

Electrical Safety in the Field

Protecting utility workers using mobile technologies BY TOM OCONNOR, Panasonic Solutions for Business Nearly every lineman has heard of a colleague who has been injured—or worse—while on the job. Because of the dangers inherent to their job (that is, electrical safety in the field), these brave...

Safety Technologies

Insulation Resistance Test

Insulation Resistance (IR) test, often called Megger test, is more than 100 years old and assumed to be a very straightforward test. During my inspection and testing work in the past 15 years in Canada, US, and internationally, I have seen different practices of performing and interpretation of IR test.

The application of IR test includes:

  • At the point of installation, pre-commissioning to ensure minimum specifications are met
  • Verify proper installation after a repair
  • Troubleshooting
  • ...

Related Articles


Electrical Safety in the Field

Protecting utility workers using mobile technologies BY TOM OCONNOR, Panasonic Solutions for Business Nearly every lineman has heard of a colleague who has been injured—or worse—while on the job. Because of the dangers inherent to their job (that is, electrical safety in the field), these brave...

Fighting Heat Stress With Effective Workwear

In a perfect world, we could all work in weather-controlled environments where heat wouldn’t be a factor and comfort could be maximized. Many workplaces however, deal with very high temperatures and heat stress is a year-round risk that requires serious consideration. For many years the standards...

The Guide to IEEE Utility Safety Standards

A comprehensive review of IEEE guidelines and documents BY JIM TOMASESKI, IEEE, NESC Main Committee, PAR Electric Every day, utility workers are risking their lives in work environments that involve high-risk activities such as working at extreme heights, managing or repairing energized...

Distracted Driving Equals Disaster

Removing hazards caused from in-vehicle computing BY SCOTT BALL, Motion Computing No utility company would send a worker out in a truck with a known safety defect. North American electric utilities may not realize, however, that by failing to ensure that computing devices are used safely within...


Battery Fires Pose Minor Environmental Risks, ACP Report Finds

Battery fires in large-scale energy storage systems (BESS) have raised concerns, but a recent review by the American Clean Power Association (ACP) found that such incidents pose only minor environmental risks. According to a third-party analysis of U.S. battery fires since 2012, these fires did not...

FERC Complaint Targets Duke, PJM Transmission Planning

A coalition of large energy consumers and ratepayer advocates has filed a complaint with the Federal Energy Regulatory Commission (FERC), urging the agency to prohibit transmission owners from independently planning "local" transmission projects exceeding 100 kilovolts (kV). The coalition argues...

12 Tips to Protect Against Common Lineworker Safety Hazards

Lineworkers face numerous risks daily, from respiratory ailments to electrical hazards. These dangers can result in severe injuries, low blood pressure, bleeding, and vomiting. However, by adhering to established safety protocols, contractors and employers can significantly reduce the likelihood of...

FERC Rejects PJM Transmission Planning Change

The Federal Energy Regulatory Commission (FERC) has rejected a proposal from PJM Interconnection, one of the United States' largest regional transmission organizations, to alter its transmission planning protocol. The decision represents a significant victory for state regulators who had expressed...

Power lines

Building a Competency Program

At Valard, our people are the core and health of our business. Without our people, we have nothing. In fact, one of our slogans is “People. First.” However, being a people company means some of our biggest challenges are created by people. Our challenges are unique, as is each person...

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