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Photo by Avista Utilities.
The Z-45 SUB within its voltage range limitations does not reduce the need for proper PPE and work practices but removes workers from a path to ground, insulates the operator, reduces human error factors associated with grounding and bonding, and protects workers that violate minimum approach distances.

Rick Kennerly

Rick Kennerly is a utilities safety expert based in Florida, who has worked with dozens of Investor-Owned Utilities to review equipment, work methods, and in service testing and maintenance procedures for personal protective grounding and permanent structure grounding. He has served on multiple ASTM standards committees, including F855, F2249, F712, F1796, F2939 and an IEEE task group member. He is currently vice chair of IEEE 1048.