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The ABB 58C1 is a blank cover plate designed for use with handy boxes (also called utility boxes) in residential and commercial electrical installations. It provides a clean, finished closure over a single-gang handy box when no device — such as a receptacle, switch, or data port — is required at that location. The blank face prevents accidental contact with energized conductors and keeps the interior of the box protected from dust and debris. Electricians use this cover as a code-compliant way to close out boxes that serve as junction points or dead-end runs within a wiring system.
The 58C1 is suited for both new construction and retrofit electrical work. It is commonly installed in light commercial, industrial, and residential applications wherever a handy box is surface-mounted on a wall or conduit system. Sold in a carton of 25, this cover is practical for contractors who need to close out multiple boxes on a single job or maintain inventory for service work. The steel construction holds up in the typical conditions encountered in utility rooms, mechanical rooms, and exposed conduit runs.
Designed as an OEM-style replacement cover for standard single-gang handy boxes used in surface-mounted electrical conduit installations.
Installation is performed by a licensed electrician. Always shut off and lock out the circuit at the panel before opening any electrical box or installing a cover. Verify the box is fully de-energized with a non-contact voltage tester before handling conductors inside. Installation should comply with applicable NEC requirements for junction box covers and accessible wiring enclosures.
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