Arlington's 4X4 FSCB44 box and single-gang FSCB24 box offer the simple way to install a steel electrical box inside a concrete block wall.
Arlington Industries, Inc.
Arlington GC50 and GC75 Grounding Electrode Connector
They install from inside or outside a metal panel or metal enclosure, through one of the existing 1/2" knockouts. There’s no need to modify the box or enclosure to accommodate the connector! GC50 and GC75 provide excellent strain relief for grounding conductors. Listed for use with stranded and solid copper and aluminum wire.
Arlington Industries, Inc.
Steel Adjustable Bracket with Plastic Box
Low-cost, economical steel fan/fixture bracket with plastic box delivers super secure, versatile on-center mounting between joists 16" to 24".
Legrand North America
ModPower Flexible Power System
Legrand’s ModPower System is the industry’s first code compliant modular power system, designed to give you the freedom to reconfigure power and charging as you need. Connect up to six units to distribute power in flexible workspaces and allow for easy moves, adds and changes.