Spray-on connector protector

Penray’s aerosol Connector Seal 7015 creates a weatherproof barrier between electrical connections and the well-known threats of water or corrosive chemicals.

Penray’s Connector Seal.

While dielectric grease focuses around a metal connector, this product is meant to encapsulate an entire connector assembly, eliminating the potential path for any threats. Simply spray it in place, and a film of .005 to .010 inches will dry in seconds.

The clear coating doesn’t mask the color-coding on electrical wires, Penray notes. The material is also formulated to resist temperatures up to 250 Fahrenheit, withstanding the heat generated by electrical connectors that have a high current draw, it adds.

John G. Smith is the editorial director of Newcom Media's trucking and supply chain publications -- including Today's Trucking, trucknews.com, TruckTech, Transport Routier, and Road Today. The award-winning journalist has covered the trucking industry since 1995.


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