Easy and fast, strip and push conductors into connectors to make reliable, secure connections. Simplified insertion and compact size helps in tight locations. Clear polycarbonate housings have color-coded side panels for connection verification and identification. Corrosion-resistant stainless steel springs restrict wire pullout, yet corrections are possible with a simple left-right twist and pull. Continuity test point for easy voltage checks. Rated at 600 volt maximum in building wire and at 1000 volt maximum in lighting fixtures and luminaries. Copper-to-copper connections only.