A884SU Screw-Cover Pull Box Extender Type 1 8x8x4

Screw-Cover Pull Box Extender, NEMA Type 1, Dimensions: 8" x 8" x 4"

The Pull Box Extender, Type 1, is used in commercial and general industrial applications that previously required a custom sized pull box, or to create additional wiring space for existing pull box installations. It is installed by simply sliding the product on a pullbox, using a common hole pattern, cover and hardware, making it a time saving solution.