Lead- Free Glass; End of Life Protection; Low Maintenance | Intermateability Ul Listed and Csa Certified Interchangeability With Competitive Products. Suitable for Wet Locations When Used With Gaskets. Innovative Spring Clip Design for Installation Ease and Repeat Usage. Smooth Integral Wire Bushings Protects Cabl | Reinforced Rib & Holes for Extra Strength, Snap-on Feature