Hubbell Raco's 4 11/16-in. welded life safety square box is 3¼ in. deep with knockouts. The red box is designed for dedicated life safety alarm circuits and accepts standard 4 11/16-in. square devices and flat covers.

Orbit Industries’ B-T5B 5-in. square box can be used in hospital, commercial, government, university and other data installations. It has up to 71.8 cubic in. of space to meet minimum bend radius requirements and reduce the chance of short circuits and ground faults due to cramped spaces and cable stress. 

Raco’s 4-in. square box is made of welded steel construction and has preset bend points to work with wall thicknesses of 2½ to 6 in. It includes an 8-in. No. 12 solid copper ground screw, and it can be used in 2-hour fire-rated walls. The knockouts allow for design and installation flexibility.

RACO’s 600V 4-in. square box is 21/8 in. deep. The knockouts allow for design and installation flexibility. It is acceptable for use in 2-hour fire-rated walls. It is made of welded steel construction with two Stab-it connectors. It includes 8-in. No. 12 solid copper ground pigtail.