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The SOUTHWIRE 54C3-UPC is a round steel raised cover designed to convert a 4-inch square electrical box to a round opening for lighting fixture installation. The cover raises the mounting surface by 1/2 inch and includes 8-32 threaded mounting tabs, making it compatible with standard light fixture mounting hardware. Angled slots built into the cover compensate for up to 1/2 inch of box misalignment on upright framing members, reducing the need for shimming during retrofit work. The part is UL listed and RoHS compliant. Electricians use it in both new construction and retrofit lighting applications in walls and ceilings.
This cover plate is used in residential and light commercial wiring applications where a 4-inch square box must be converted to a round fixture opening. It is suited for ceiling and wall-mounted light fixture installations and is commonly used during lighting retrofits where the existing box is slightly out of alignment with the finished surface. The 8-32 threaded tabs accept standard fixture mounting screws used with most residential luminaires.
Designed as an OEM-style replacement cover for use with standard 4-inch square electrical boxes in residential and light commercial lighting retrofit applications.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. Always shut off power at the breaker before working on any electrical box or fixture connection. Verify that the 8-32 threaded tabs align with the fixture mounting ears before tightening. Do not over-tighten mounting screws, as this can strip the threaded tabs or crack the fixture canopy.
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