Construction: Terminal Screws: #8-32 Brass, Silver Finish on Neutral Screw, Green Finish on Grounding Screw - Face Terminal Assembly: Impact Modified Nylon - Cord grip: Impact Modified Nylon - Cover: High-Impact, V-O Valox - Terminal Cover: Clear Polycarbonate - Connector Contacts: High Performance Copper Alloy - Terminal Clamp Nut: Zinc-Plated Steel - Assembly Screws: Zinc-Plated Steel - Terminal Identification: Brass-Hot; Green-Grounding; Silver-Neutral - Terminal Accommodation: #18-#10 AWG