- Polycarbonate and polyamide 66, UL 94V-0 flame retardant shell rated at T85(IEC), 105 C/221 F (UL). - Spring force connector constructed from tinned cooper plate and stainless spring steel. - Accept any combination of solid, stranded, and flexible conductor from 0,2 mm up to 4,0 mm. - Rate : 600 V for building wire, 32 A