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UFGS-27 21 00.00 40

INTERCOMMUNICATION SYSTEM

inactive
Publication Date: 1 November 2008
Status: inactive
Page Count: 21
scope:

NOTE:

This guide specification covers the requirements for five different types of intercommunication systems one of which shall be selected for the project.

Document History

UFGS-27 21 00.00 40
February 1, 2011
INTERCOMMUNICATION SYSTEM
NOTE: This guide specification covers the requirements for five different types of intercommunication systems one of which shall be selected for the project.
UFGS-27 21 00.00 40
November 1, 2008
INTERCOMMUNICATION SYSTEM
NOTE: This guide specification covers the requirements for five different types of intercommunication systems one of which shall be selected for the project.

References

This document references:
S3.2 - AMERICAN NATIONAL STANDARD Method for Measuring the Intelligibility of Speech over Communication Systems
Published by ASA on December 9, 2020
This standard provides methods for the subjective evaluation of speech intelligibility over entire communication systems and the evaluation of the contributions of elements of speech communication...
This document references:
IEEE C62.41.1 - Guide on the Surges Environment in Low-Voltage (1000 V and Less) AC Power Circuits
Published by IEEE on November 11, 2002
Foreword This guide is the result of 20 years of evolution from the initial 1980 document, IEEE Std 587™, IEEE Guide for Surge Voltages in Low-Voltage AC Power Circuits, which promptly became IEEE...
This document references:
IEEE C62.41.2 - Recommended Practice on Characterization of Surges in Low-Voltage (1000 V and Less) AC Power Circuits
Published by IEEE on November 11, 2002
Foreword This recommended practice is the result of 20 years of evolution from the initial 1980 document, IEEE Std 587™, IEEE Guide for Surge Voltages in Low-Voltage AC Power Circuits, which promptly...
This document references:
NFPA 70 - National Electrical Code
Published by NFPA on March 10, 2020
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