Gold plated 99.998% Pure Copper Conductor (thickness of 1.0mm) conductor system .
Body/Cover material: 65%Nylon? 35% fiberglass..
Parts set with nonmagnetic 2.0mm-thick 99.998% pure copper plate.
Voltage Rating:20A 125V.
Wire Diameter: 4mm (set screw).
Dimensions: 106.0 mm (L) x 40mm (W) x 30 mm (H) .
The plating layer contains four processes.
1) Oxygen Free Copper Plated .
2) Silver Plated.
3)Palladium plated.
4)24K gold plated.