4" Square Exposed Work Cover, (1) 30 to 50A Single Receptacle
4" Square, Exposed Work Cover, Type: Single Receptacle (30-50A), 1/2" Raised, Drawn, Metallic. Cubic Inches: 7". Opening: 2-9/64".Appleton™ and O-Z/Gedney™ metallic 4" square boxes, extension rings and covers are widely recognized for quality, selection and ease of installation. They may be used as a junction box or a device box...
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