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The KORA SMB20232 Two Gang Masonry Box features a robust design, measuring 3-3/4” x 3-13/16” x 3-1/2” with a generous 42 cubic inches of capacity. Ideal for electrical installations, this durable masonry box ensures reliable performance and easy access for wiring projects, making it a perfect addition to your toolkit.
The SMB20232 is specifically designed for masonry wall installations — such as concrete block (CMU), brick, or poured concrete. It is set in place during the masonry work, allowing conduit entries from multiple knockouts before the wall is finished.
42 cubic inches is a generous capacity for a two-gang box and will accommodate most standard device and conductor combinations. However, you should always verify conductor fill against Canadian Electrical Code (CEC) Section 12 box fill calculations based on your specific wire gauges, number of conductors, and device types to ensure compliance.
Northern Breaker Group specializes in obsolete and hard-to-find electrical products. If the SMB20232 is out of stock through regular supply channels, contact our Calgary, Edmonton, or Vancouver team — we can source it or identify a compatible alternative masonry box that meets your dimensional and capacity requirements.
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