Use the IDEAL Noalox Anti-Oxidant Joint Compound to improve the conductivity of aluminum electrical connections. Anti-oxidant compound is a perfect safeguard for aluminum to aluminum, aluminum to copper wire connections and aluminum conduit joints. Improves efficiency and service life of aluminum electrical applications. Provides additional inner-strand and inner-conductor current paths for improved conductivity and cooler connections For use with pressure-type wire connectors including screw-on, taps, service entrance and split-bolt Reduces galling and seizing on aluminum conduit joints to promote good ground continuity Compound contains zinc particles that penetrate and cut aluminum oxide Voltage rating 600-Volt Temperature range -40 C to +150 C