Devco PI391 Electrical Utility Box Extension Ring 4 inches voomi_id_35489 Constructed from robust die-cast zinc

Constructed from robust die-cast zinc for enhanced durability

Differential: 20 deg F

Valve Service 7/8 45 Degrees

Simple mounting options available on pipelines or support brackets

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Devco PI391 Electrical Utility Box Extension Ring 4 inches voomi_id_35489 Constructed from robust die-cast zincProduct Description The Devco PI391 is an Electrical Utility Box Extension Ring designed for various electrical applications. This extension ring measures four inches in length and two hundred one point seven inches in width, making it suitable for standard utility box installations. With a depth of one and one half inches, it provides ample capacity of twenty one cubic inches for wiring and connection purposes. Knockout sizes: three fourths inches