Topaz’s 2" Solar Insulated Bonding Bushings are made of Malleable Iron and are ideal for Solar Photovoltaic applications, providing superior corrosion resistance when grounding Rigid or IMC conduit. The tin plated lay-in lug allows bonding jumper to a neutral bus bar and can accommodate wire sizes from #14 - #4. The UV resistant liner is designed for direct exposure to the sun and prevents damage to wire insulation. This bushing can be used both indoor and outdoor.