NFPA (Fire) 79

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Published:

10/05/2020

Number of Pages:

111

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NFPA (Fire) 79

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Update to the 2015 NFPA 79 — the benchmark for industrial machinery safety and vital companion to the NEC® and NFPA 70E®.

Guard against electrical incidents and unplanned shutdowns that could result in injury, damage, or loss with the 2015 edition of NFPA 79: Electrical Standard for Industrial Machinery. Updated to address new technologies and to correlate with the National Electrical Code® (NEC) and NFPA 70E®: Standard for Electrical Safety in the Workplace®, the 2015 NFPA 79 spells out essential protection for operators, equipment, facilities, and work-in-progress. This edition presents the latest requirements for the full spectrum of equipment — from single-motored drill presses to complex automated manufacturing systems.

Updates address concerns from the industry and key changes to companion Standards.

• Requirements align with IEC 60204-1.
• Section 6.6, Arc Flash Hazard Warning clarifies that the requirement is to warn, not to protect, qualified individuals of a potential arc flash hazard. This change aligns with the 2014 NEC revision to 110.16.
• Conditions for “emergency stop” and “emergency switching off” are revised for Category 1 and Category 0 stops.
• The rules have been clarified where separate supply sources are used.
• Working space rules for enclosures that contain supply conductors have been revised to clarify that the requirements in 110.26 of the NEC apply.
• Requirement for “width of the working space” has been revised to specify the opening into the control cabinet to help users avoid dangerous errors.

All stakeholders need to help mitigate electrical hazards involving industrial machinery.

The 2015 NFPA 79 is essential for safety managers, electrical designers, engineers, installers, owners, AHJs, and industrial machinery manufacturers.

Product Details

Published:

05/19/2014

ISBN(s):

9781455908943

Number of Pages:

106

NFPA (Fire) 79

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In alignment with today’s NEC®, the 2018 edition of NFPA 79 presents critical updates to the global benchmark for industrial machinery safety.

Guard against electrical incidents and unplanned shutdowns that could result in injury, damage, or loss with the latest edition of NFPA 79: Electrical Standard for Industrial Machinery. This must-have companion to both the National Electrical Code® (NEC) and NFPA 70E®: Standard for Electrical Safety in the Workplace® is continuously updated to address new technologies and their impact on electrical safety.

NFPA 79 spells out essential protection for operators, equipment, facilities, and work-in-progress. Compliance is vital to reduce risks.

This edition presents the latest requirements for the full spectrum of equipment — from single-motored drill presses to complex automated manufacturing systems. Updates address concerns from the industry and key changes to companion Standards.

• To correlate with the NEC, “600 volts” is replaced with “1000 volts”.
• Revised and new definitions reflect terminology in use today, and changes throughout the Standard align with these definitions.
• The new title for Chapter 5: Disconnecting Means clarifies that this chapter covers all the supply circuit conductor terminations on the machine.
• A new requirement specifies that the main disconnecting means must be marked “machine supply circuit disconnect” if it supplies multiple disconnecting means on the machine.
• New Exception No. 2 to 5.3.1.3 states that the machine supply circuit disconnecting means is permitted to be externally mounted up to 20 ft. (6 m) away.
• A revision allows adjustable speed drives marked “suitable for output conductor protection” to have the rating of the short-circuit protective device (SCPD) determined by the drive’s rated input current.
• To correlate with the NEC, an added requirement in Section 7.8.1 requires a surge protection device (SPD).
• Chapter 8’s title is revised to include “Bonding.”
• Revisions to Chapter 8 clarify connection of the grounded conductor to the equipment grounding conductor; and that all parts of effective ground-fault current path must be capable of withstanding the highest thermal and mechanical stress that can be caused by fault currents.
• Revisions in Chapter 11 clarify the peculiar working space condition of industrial machines and machine tools.

All stakeholders need NFPA 79 to help mitigate electrical hazards involving industrial machinery.

Product Details

Published:

11/30/2017

ISBN(s):

9781455918997

Number of Pages:

113

NFPA (Fire) 79

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The new NFPA 79, the benchmark for industrial machinery safety, is aligned with the NEC® and NFPA 70E®.

Advanced for new technologies and revised to correlate with the National Electrical Code® (NEC) and NFPA 70E: Standard for Electrical Safety in the Workplace®, the 2012 NFPA 79: Electrical Standard for Industrial Machinery spells out essential protection for operators, equipment, facilities, and work-in-progress. This edition presents the new best practices for the full spectrum of equipment — from single-motored drill presses to complex automated manufacturing systems.

Critical changes in the 2012 NFPA 79 include:

• New definitions and revised rules for expanded wireless and cableless technology that align with IEC 60204-1
• New sections in Chapters 6 and 16 recognizing deadly arc flash and stored energy hazards to protect workers and correlate with the 2012 NFPA 70E
• New rules for selecting overcurrent devices for motors, and the important addition of a 90 degree C temperature column to the conductor ampacity table. This Standard corresponds with the 2011 NEC.
• Addressing concerns from the field, a first-time section in Chapter 12 details conditions where Appliance Wiring Material (AWM) can be used as special cables with clarifications on determining suitability for use under specific conditions.

Protect your facility and your workers with the latest safeguards.

The 2012 NFPA 79 is a toolkit essential for safety managers, electrical designers, engineers, installers, owners, AHJs, and equipment manufacturers.

Product Details

Published:

07/31/2011

ISBN(s):

9781455900992

Number of Pages:

99