1490 Electrical Switch Box Extension The 1490 Electrical Switch Box Extension by O-Z Gedney is designed to extend the depth of standard single gang switch boxes, providing additional wiring capacity for electrical installations. This steel extension is suitable for electrical distributors and switchgear suppliers looking for reliable components to support wiring and lighting solutions in commercial and industrial settings. Specifications Material: Steel Cubic Capacity: 4.5 cubic inches Product Weight: 0.0900 lbs Manufacturer: O-Z Gedney Manufacturer Part #: 1490 Features Fits all single gang switch boxes with 1/8" screws Provides 7/8" additional depth to switch boxes Durable steel construction for long-lasting performance Downloads & Links Other 1 Catalog Other 2