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!

Non-Destructive Testing (NDT)

Non-Destructive Testing (NDT) with JM Test Systems Non-destructive testing (NDT) available on critical pins, welds, fasteners, and any other component termed “critical structural components” by the manufacturer. NDT is a useful method of inspecting for sub-surface degradation without damaging the components on the truck. Non-destructive testing can be performed on Aerial Lift Devices, Digger Derricks, other tracked and wheeled units that may have critical components as identified by the manufacturer. JM Test Systems can…

Temporary (Portable) Protective Grounding Requirements

  For more information on grounding items, visit our Grounding Cable page here. If you have further questions, do not hesitate to contact us at 1-800-353-3411.   National Electrical Safety Code® (NESC®) 2017 Section 12, Installation and Maintenance of Equipment, Paragraph 123 Protective Grounding says in part: “Provisions must also exist for grounding during maintenance. When a conductor, bus section, or piece of equipment is disconnected for maintenance, it must be grounded. The grounding can be done with…

Electrical Glove Sizing

Electrical Glove Size Charts Taking the time to accurately measure and select the correct glove size is crucial. Without correct-fitting gloves, employees have a higher risk of being unprotected, which can lead to unwanted hand injuries. Use the charts below to order the proper gloves, keeping you safe. JM Test Systems offers a wide variety of insulated rubber gloves from industry leaders like Salisbury, Chance, Novax, and PIP,…

Electrical Personal Protection Equipment Requirements and OSHA Regulations

JM Test Systems is concerned about you and your employees’ safety. We have provided these helpful links to assist you with the various standards and regulations on PPE. Why and When to Test Electrical Personal Protection Equipment PPE: Industry standards and regulations: OSHA 29 CFR 1910 and 1926 NFPA NEC 2008 Various ASTM Requirement Field Inspection OSHA 1910.137 states that: “Insulating equipment shall be inspected before each days use and immediately following any incident that can be suspected of having…