Unresolved objectors on informative material are not offered the right to appeal at NEMA or ANSI. The purpose of this standards publication is to provide a guide to the types and sizes of metal outlet boxes, and supports for general use or suggested for future design or both.

Jan 14, 2021 · ANSI/NEMA OS 1-2013 (R2020) | Status: Active | ID: 100226 Follow Building Infrastructure Covers general-purpose metal outlet boxes, device boxes, covers and supports widely used by the consumer.

Apr 26, 2009 · The National Electrical Manufacturers Association (NEMA) has published OS 1 “Sheet-Steel Outlet Boxes, Device Boxes, Covers, and Box Supports” and OS 2 “Non-metallic Outlet Boxes, Device Boxes, Covers, and Box Supports”.

Jan 1, 2013 · Find the most up-to-date version of ANSI/NEMA OS 1 at GlobalSpec.

Facilitates the pulling of wires to provide a means of mounting and protecting wiring devices and to provide a connection for rigid conduit, electrical metallic tubing, armored cable, metal-clad cable, nonmetallic sheathed cable, flexible metallic conduit and knob-and-tube wiring systems.

OS 1-2013 revises and supersedes OS 1-2008 and its revision OS 1-2008 (R2010). This standard is reviewed with input obtained from independent testing laboratories and major consumer representatives. It is also reviewed periodically by the Outlet and Switch Box Section of NEMA so that it will be kept up to date with advancing technology.

NEMA-OS1 › Sheet-Steel Outlet Boxes, Device Boxes, Covers and Box Supports NEMA-OS1 - 2013 EDITION - SUPERSEDED Show Complete Document History How to Order

Apr 18, 2014 · OS 1-2013 revises and supersedes OS 1-2008 and its revision OS 1-2008 (R2010). This standard is reviewed with input obtained from independent testing laboratories and major consumer representatives. It is also reviewed periodically by the Outlet and Switch Box Section of NEMA so that it will be kept up to date with advancing technology.

Facilitates the pulling of wires, to protect and facilitate wiring splices and taps, to provide a means of mounting and protecting wiring devices and to provide a connection for rigid conduit, electrical metallic tubing, armored cable, metal-clad cable, nonmetallic sheathed cable, flexible metallic conduit and knob-and-tube wiring systems.

Apr 17, 2017 · ANSI/NEMA OS 1-2013 (R2020) Sheet-Steel Outlet Boxes, Device Boxes, Covers and Box Supports