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The RAB C103A is a weatherproof round electrical box cover designed for outdoor and wet-location wiring applications. Featuring three knockouts or holes for conduit or fixture entry, this cover provides a sealed, weather-resistant closure for standard round electrical boxes. It is finished in bronze, making it a natural fit for installations where the cover will remain visible. Electricians install this cover on exterior walls, soffits, and similar surfaces where moisture protection is required at the box.
This cover is suited for residential and light commercial electrical work, particularly in outdoor lighting circuits, junction box closures, and weatherproof conduit entry points. The round form factor matches standard round boxes commonly used in exterior fixture mounting and surface-mounted conduit runs. The bronze finish helps it blend with darker architectural finishes common in residential outdoor environments.
Designed as an OEM-style replacement or standard-fit cover for round electrical boxes used in outdoor and weatherproof wiring installations.
Installation should be performed by a licensed electrician in accordance with NEC requirements for wet and damp locations. De-energize the circuit at the breaker before working on any box or cover. Ensure a weatherproof gasket is in place between the cover and box face to maintain the wet-location rating. Do not overtighten mounting hardware on plastic box ears, as cracking can compromise the weatherproof seal.
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