Made from high strength, heat treated aluminum alloy–highly resistant to corrosion. The design provides, under torque, high contact pressure between conductors. Electro tin-plated bolt, nut, spacer and pressure bar. Meets and exceeds requirements of the UL486B standard. There is no need to scratch brush or use oxide inhibiting compounds for installation of 90°C max rated conductors in NEC applications. For all other applications, the use of Penn-Union Cual-Aid® #11C, oxide inhibiting compound, is recommended.
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