Arlington Industries' NM In/Out Box
Arlington Industries’ nonmetallic in/out box for fan and fixture installations is preset for a ½-in. ceiling but adjusts for depths up to 11/2 in. to accommodate varying thicknesses, such as single or double drywall. It mounts securely to a joist in new construction and complies with the NEC for set-back boxes. It supports fans up to 70 lbs. and fixtures up to 100 lbs.