The 4in. square extension rings are added to junction boxes to increase wiring capacity. This provides access for additional conduit runs and electrical wire. It prevents the need to remove old conduit boxes and wiring from circuits when additional capacity is needed. Additionally, these rings are UL and RoHS compliant.
Features- Has a 21 cubic inch capacity
- Combination Phillips-slotted screw heads
- Conveniently provides access for more conduit
- UL and RoHS compliant for safety
Specifications- Shape: Square
- Material: Steel
- Size: 4" x 4 x 1.5"
- Weight: 0.53 lbs
