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NEMA

NEMA BI 50036-2025 (Formerly OS 3)

Selection and Installation Guidelines for Electrical Outlet Boxes

Standard Details

This publication covers guidelines for the selection and installation of general-purpose and specialty metallic, nonmetallic, and composite outlet boxes, including device boxes, boxes for luminaires or other products, junction boxes, extension rings, covers, and flush-device cover plates. The boxes addressed in these guidelines are intended for use in ordinary, non-hazardous locations. With the exception of masonry boxes and some multi-gang boxes and floor boxes, the boxes addressed in these guidelines are limited to 1,650 cm³ (100 in³) internal volume per gang.

General Information

Status : ACTIVE
Standard Type: Main
Document No: NEMA BI 50036-2025 (Formerly OS 3)
Document Year: 2025
Pages: 46
  • Section Volume:
  • BI BI - Building Infrastructure

Life Cycle

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NEMA BI 50036-2025 (Formerly OS 3)
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