COMFORTABLE HANDLING/GRIP: Contractor-friendly ergonomic design with smooth edges and rounded corners provide a secure grip for maximum torque FAST INSTALLATION: Only a hex key and torque wrench needed; no need for extra tools and insulating tape HIGH-QUALITY CONSTRUCTION: Insulated with high dielectric strength plastisol for increased chemical and abrasion protection; 6061-T6 aluminum alloy construction RELIABLE: Removable plugs ensure secure entry port closure while preventing debris from entering connector WIRE TYPE: Dual-rated for use with copper and/or aluminum Class B or C building code class conductors