NEMA OS 2 : 2013
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
NONMETALLIC OUTLET BOXES, DEVICE BOXES, COVERS, AND BOX SUPPORTS
19-01-2021
06-12-2012
Foreword
Section 1 - General
1.1 Scope
1.2 Normative References
1.3 Definitions
Section 2 - General Standards
2.1 Material
2.2 Corrosion Protection
2.3 Screws
2.4 Openings
2.4.1 Cable-Size Knockouts
2.4.2 Knockouts for Conduit or Tubing
2.4.3 Clamps
2.5 Supports
2.6 Boxes for Supporting Equipment or Accessories
2.6.1 Boxes for Luminaire Support
2.6.2 Boxes for Ceiling-Suspended Fan Support
2.7 Device Boxes
2.8 Boxes and Mounts for Other Devices and Accessories
2.9 Boxes for High- and Low-Voltage Circuits
2.10 Marking
2.10.1 General
2.10.2 Boxes for Supporting Equipment and Accessories
2.10.3 Cable Clamps
2.11 Grounding
Section 3 - Specific Requirements
3.1 General
3.2 Index to Figures
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