Heyco Heyco® TPE Liquid Tight Hole Plugs feature oil-tight, rain-tight, and submersible sealing options. These hole plugs are available in multiple nominal sizes that fit true-size mounting holes from 0.5" (12.7mm) to 1" (25.4mm). The TPE liquid-tight hole plugs are available in three trade sizes to fit 1/2" to 1" knock-out holes. These hole plugs lock firmly in boxes with thicknesses from .03" (0.8mm) to .13" (3.2mm). The TPE liquid-tight hole plugs exhibit a 94V-0 flammability rating and operate over a temperature range of -60°C to 135°C. These hole plugs are UL certified for outdoor applications.
