Carlon 1-Gang 4" 20 cu. in. Electrical PVC New Work Electrical Ceiling Box

The 1-Gang 20 cu. in. Ceiling Box supports a ceiling fixture. Durable polycarbonate material is highly heat-resistant and non-conductive to safety support light fixtures. The box is designed for new residential or light commercial projects and uses an adjustable bar hanger, ground lug and screw for efficient installation.
Highlights
listed for use with fixtures up to 50 lbs.
Supports 3/0 and 4/0 fixture
Thermoplastic construction resists rust and won't conduct electricity
Built-in cable clamps hold wires firmly in place
Adjustable 14-3/8 in. to 22-1/2 in. bar
Ground lug included
UL-listed