Attach the tri-proof light's wires to the electrical box's cables. The quick wiring feature allows for easy installation, making them a po. Frequency of use 941010 nspections inspections on on a regular a regular basis. Follow all warning and cautions outlined here as well as any local safety. Although installing a tri-proof light may appear difficult, it is really rather easy to do with a few simple steps. Step 1: Assemble your equipment and supplies. A ladder, wire. LED Tri-Proof Lights—also known as waterproof LED fixtures, vapor-tight lights, dustproof LED lights, or batten light—are widely used in demanding environments such as factories, warehouses, parking garages, and subway stations.