Cart

No products

Shipping $0.00
Total $0.00

Cart Check out

NEMA SB 40

NEMA SB 40 2010-JAN-01 Communcatons Systems for Lfe Safety n Schools

More details

Download

PDF AVAILABLE FORMATS IMMEDIATE DOWNLOAD
$38.00 tax incl.

$76.00 tax incl.

(price reduced by 50 %)

1000 items in stock

This Standard covers the application, installation, location, performance, and maintenance of school communications systems and their components.

PURPOSE

The purpose of this standard is to define the means of signal initiation, transmission, notification, and annunciation; level of performance; and the reliability of various types of school communication systems.

The standard also defines the features associated with these systems.

This standard establishes minimum required levels of performance, extent of redundancy, and quality of installation, but does not limit the methods by which these requirements are to be achieved.

Customers who purchased NEMA SB 40
also purchased
  • NEMA MG 1 : Motors and Generators
  • NEMA SB 50 : EMERGENCY COMMUNICATIONS AUDIO INTELLIGIBILITY APPLICATIONS GUIDE
  • ANSI C84.1 : Electric Power Systems and Equipment - Voltage Ratings (60 Hertz)-Now Copyrighted by NEMA
  • NEMA ICS 61800-1 : Adjustable Speed Electrical Power Drive Systems Part 1: General Requirements - Rating Specifications for Low Voltage Adjustable Speed d.c. Power Drive Systems-National Adoption
See More Documents

Contact us