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The ECM INDUSTRIES LLC GSP-24 is a 4-inch stack-style, twist-apart switch and outlet spacer designed for electrical rough-in and finish work. It fits between the electrical box and the wall surface to bring receptacles and switches flush when the box sits too deep. The twist-apart design allows the installer to break the spacer down to the exact thickness needed without cutting. Electricians use this spacer to meet code requirements for flush device mounting in drywall, tile, and paneling applications. Each package contains 10 spacers, making it a practical shelf item for service vehicles and job sites.
This spacer is suited for residential and light commercial electrical work wherever switch and outlet boxes are recessed behind finished wall surfaces. Common applications include remodel work where added drywall or tile has pushed the box deeper than the device requires, new construction where box depth varies, and any retrofit scenario requiring device extension. The twist-apart stack design speeds up installation by eliminating the need for shims or custom-cut spacers.
Designed as an OEM-style replacement and standard fitment spacer for use with residential and light commercial switch and outlet electrical boxes requiring device extension to flush mount.
Installation is performed by a licensed electrician. Always shut off the circuit breaker supplying the affected circuit before removing any device or working inside an electrical box. Confirm the spacer seats fully and the device mounts flush before securing the cover plate. Work must comply with the applicable edition of the National Electrical Code (NEC) and any local amendments.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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