Rubber Goods Personal Protective Equipment (PPE) Storage Do’s and Don’ts

Did you know that improper storage of rubber gloves and protective equipment can increase the risk of electrical shock or equipment failure? Why is proper storage of rubber gloves and protective equipment vital? Most importantly, it’s the first line of defense against accidental electric shock. It also helps to lengthen the life of the electrical safety equipment, thereby saving money in the long run. Below are some effective ways to store your rubber…

Bucket Truck Testing: The Importance of Having Your Upper Controller Tested

If you’re a bucket truck owner, and you were asked whether you have your upper controller tested, would you know what they were talking about? What if they called it the “joystick”, or “ISO-Grip”? Most individuals are not aware that most bucket trucks are equipped with, what ANSI A92.2 calls “Upper Controls with High Electric Resistance Components”. This is the upper control located at the platform (bucket), that operators use to easily maneuver the…

Electrical Safety Supervisors, Do you know your workers?

Electrical Safety Supervisors, Do you know your workers?   Years ago, during my time at a company, I had the opportunity to work closely with a highly experienced high-voltage electrician. While he taught me many valuable lessons, I often found myself questioning some of his methods, as they seemed unsafe. Being new to the trade, I had a deep respect for high-voltage work, but certain practices in the workplace raised concerns. The manager, who had limited…

Keeping Your Distance: Determining Shock and Arc Flash Boundaries when Performing Thermography on Energized Electrical Equipment

Introduction The first instrument invented for testing electrical systems was the Megger megohmmeter patented in 1905 for evaluating insulation, arguably the most important component in an electrical system. The problem is that a megohmmeter is only effective in evaluating insulation condition in a deenergized state. Therefore, it often cannot detect conditions that can cause insulation to deteriorate or fail prematurely. Some 70 years later, thermal scanning of electrical systems was capable of testing…

Glove Testing FAQ

Glove Testing FAQ with JM Test Systems Q: How frequently are gloves supposed to be tested? A: If the pair of gloves are new, and have never been tested before, they must be tested within 12 months of being put into service, for the first time. Once the pair of gloves have been tested for the first time, whether they have been used or not, they are required…

AC vs DC – What is the Difference?

AC vs. DC – What is the difference? Written by: Craig F. Nelson, Electrical Specialist CESCP, CESW Certified You will notice that gloves are rated in AC and DC voltages. Class 00, for example, is rated 500 Vac/750 Vdc. Why are they rated lower for AC than DC, or why are they rated higher for DC than AC? Anybody ever wonder about that? I hope somebody has!