Featured Stories
NFPA–2023 Chapter 4 General: What Is Required, and Are Your Current Customers in Compliance?
In January 2023, NFPA 70B transitioned from the Recommended Practice for Electrical Equipment Maintenance to the Standard for Electrical Equipment Maintenance. The…
Scott Blizard, American Electrical Testing Company LLC
NFPA 70B: Developing a Standard for Electrical Equipment Maintenance
Transitioning from the year 2022 into 2023 not only turned the page on electrical equipment maintenance but also placed us into…
Corey Hannahs, National Fire Protection Association
Columnists
Virginia Balitski
Magna IV Engineering
Tech Quiz
NFPA 70B–2023, Standard for Electrical Equipment Maintenance
Eric Beckman
President's Desk
National Field Services
NETA PresidentMilestone | Mile·Stone / ˈmī(-e)l-,stōn: A Significant Point in Development
Ron Widup
Shermco Industries
NFPA 70E and NETA
Utilize a Great Resource: NFPA 70E Handbook for Electrical Safety in the Workplace
Mose Ramieh III
CBS Field Services
In the FieldNFPA 70B: The Resurgence of the Electrical Maintenance Program
Steven Turner
Arizona Public Service Company
Relay ColumnEffect of CT Saturation on Transformer Differential Protection
Paul Chamberlain
American Electrical Testing Co. LLC
Safety Corner
PPE Requirements for Installing Temporary Protective Grounds
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Industry Topics
Protection Considerations for an Improperly Installed On-Load Tap Changer
Large power transformers are widely used in the electrical grid, and interconnecting solar farms to the utility is one of their many applications. To control voltage variations throughout the day, an on-load tap changer (OLTC) is used to adjust the ...