3-1/2 in. Dia 14 cu. in. Old Work Round Wall Box - 9999289

Highlights

• Electrical box features flanges and wing brackets for secure mounting in old work applications
• Allied molded electrical boxes have pre-tapped and tapered device screw holes for secure device installation and drastically reduces device pull out
• Patented non-metallic Speed K Klamps dependably secure wire in the box, should a knockout be inadvertently opened and not used, the Speed K Klamp is considered sufficient closure of the opening per UL
• Offset gauge marks on the box give positive stop for the proper wall thickness
• Knockouts on fiberglass boxes are complete, reducing drafts and easily removed with wire for no tools installation
• Leveling ribs position the face of the box parallel to the wall surface