Heavy-duty, electrically insulated extensions for Utility Air-Spade 4000. Provide extended reach capability for hard-to-reach locations. Constructed from high-pressure rated, insulated inner air hose surrounded by non-conductive, rigid fiberglass outer tube. Inner air hose rated to 75kV per ft. for 5 minutes per SAE 100R7. Outer fiberglass tube rated to 100kV per ft. for 5 minutes per ASTM F711. Non-sparking, brass connection hardware. Compatible with all Air-Spade components and accessories. Available in 2, 3, 4, and 5 foot lengths. Includes non-sparking brass coupler.
· Non-conductive fiberglass outer tube with insulated inner air hose
· Non-sparking brass sleeves and threads
· Knurled surfaces provide superior grip for secure connections
· Dual male threaded connections
· Includes dual female threaded, non-sparking brass coupler