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The DIVERSITECH 620-254 is a flat blank steel handy box cover designed to close off and finish electrical handy boxes where no device or outlet is required. This UL Listed cover plate provides a clean, code-compliant closure for junction and handy boxes in both ducted and ductless system installations. Licensed electricians and HVAC technicians reach for this cover when capping unused box openings during rough-in, retrofit, or equipment changeout work. Sold in a 25-pack, the 620-254 is a practical stocking item for service vans and shop inventory.
The 620-254 flat blank cover is suited for residential and commercial applications wherever single-gang steel handy boxes are used. Its compatibility with both ducted and ductless installation environments makes it a versatile fit across HVAC, electrical, and general mechanical rough-in scenarios. The blank design means no cutout is present, making it the correct choice when a box must be covered but no switch, receptacle, or other device will be installed.
Designed as an OEM-style replacement and standard fitment for single-gang steel handy boxes requiring a blank, device-free cover plate.
Installation is performed by licensed electricians or qualified HVAC technicians. Always shut off power at the breaker before working on any electrical box. Secure the cover using the appropriate machine screws for the handy box style. Work should comply with applicable NEC requirements for covered junction and outlet boxes.
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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