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:
Struck-by, struck-against and back-over incidents are far too common: 421 Hudson St., Manhattan, NYC: Construction worker killed by scaffolding plank. Woods Hole Golf Club, Falmouth, MA: Construction worker injured in back-over accident. Interstate 440-East, Raleigh, NC: DOT workers seriously...
Ineffective or missing fall protection has been OSHA’s most-cited violation every year since 2011, and falls are the leading cause of death in the construction industry. Year after year, fall protection remains a key concern for employers throughout the United States. Not just that, but...
Selecting the right FR clothing is the first step. Glen Raven is a global leader in high-performance, inherently flame-resistant protective and hi-visibility fabrics for the utility, petroleum and industrial apparel markets. The health and safety of the men and women in these dangerous...
Line-construction contractors can do their best to train the management, offer safety training and equipment and trust the foremen who are appointed to a job, but it is an inherently dangerous business. Despite all the safeguards, some new linemen say this is what some foremen tell them about...
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...
New York State's transition to a clean, zero-emissions energy grid could include up to 8.5 gigawatts (GW) of grid flexibility by 2040, according to a new report from the Brattle Group. This projection, while contingent on achieving ambitious decarbonization goals, illustrates how the state could...
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...
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...
Many occupations pose risks to workers, but few match the dangers that linemen face daily. Linemen play a critical role in maintaining and restoring the power grid, often working in extreme weather conditions, at significant heights, and around high-voltage electrical systems. Their work is...
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...
