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NEMA AB 4 - Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and Industrial Applications
January 1, 2017 - NEMA

NEMA AB 4 sets forth, for use by qualified personnel,1 a number of basic procedures that may be used for the inspection and preventive maintenance of molded case circuit breakers used in industrial and commercial applications rated up to and including 1000 V 50/60 Hz AC or AC/DC....

NEMA ABP 8 - Avoid Arc-Flash Occurrences by Following Industry Standards
January 1, 2016 - NEMA

Introduction The hazards of arc flash have received considerable attention in recent time for a number of reasons. When an arcing fault occurs, the harmful results can be devastating and deadly for those who are not properly prepared. Because of the potentially long-term effects, not only is the...

NEMA ABP 11 - Compatibility between Smoke Alarms and Arc-Fault Circuit Interrupters
January 1, 2016 - NEMA

Foreword This is an update to a NEMA white paper originally published in 2005. To ensure that a meaningful publication was being developed, draft copies were sent to a number of groups within NEMA having an interest in this topic. Their resulting comments and suggestions provided vital input prior...

NEMA ABP 1 - Selective Coordination of Low-Voltage Circuit Breakers
January 1, 2016 - NEMA

This paper provides information on the following topics: 1) Description of the key functions of the overcurrent protective devices (OCPDs) used in low-voltage applications for meeting selective coordination requirements per the latest edition of the NEC [18] 2) Discussion of selective coordination...

SSPC AB 2 - Cleanliness of Recycled Ferrous Metallic Abrasives
March 2, 2015 - SSPC

This standard contains requirements for the cleanliness of recycled ferrous metallic blast cleaning abrasives (the "work mix") used for the removal of coatings, paints, scale, rust and other foreign matter from steel or other surfaces. Laboratory and field testing procedures to determine...

SSPC AB 1 - Mineral and Slag Abrasives
January 12, 2015 - SSPC

This standard contains requirements for classification, evaluation, and performance of mineral and slag or other by-product abrasives used for blast cleaning steel and other surfaces for painting and other purposes. The abrasives covered by this standard are primarily intended for one-time use...

NEMA ABP 9 - Hazards of Working on Energized Electrical Equipment
January 1, 2015 - NEMA

Foreword This is an update to "Hazards of Working Electrical Equipment Hot," a NEMA white paper originally published in 1994. To ensure that a meaningful publication was being developed, draft copies were sent to a number of groups within NEMA having an interest in this topic. Their resulting...

NEMA ABP 10 - Arc Flash Analysis—Utility System Parameters Critical for Accurate PPE
January 1, 2015 - NEMA

Introduction NEMA has long recognized that equipment short circuit current ratings and interrupting ratings are determined by the engineer or contractor after understanding the available fault currents to which they will be subjected. Utilities have longstanding practices to provide a...

NEMA ABP 6 - What is the Purpose of a Molded Case Circuit Breaker?
January 1, 2015 - NEMA

Foreword This is an update to the NEMA white paper originally published in 1994. To ensure that a meaningful publication was being developed, draft copies were sent to a number of groups within NEMA having an interest in this topic. Their resulting comments and suggestions provided vital input...

NEMA ABP 5 - Series Ratings
January 1, 2015 - NEMA

Foreword This is an update to a NEMA white paper originally published in 1994. To ensure that a meaningful publication was being developed, draft copies were sent to a number of groups within NEMA having an interest in this topic. Their resulting comments and suggestions provided vital input prior...

NEMA ABP 7 - Engineering Series Ratings: Is It Practical?
January 1, 2015 - NEMA

Introduction The 2005 National Electrical Code® (NEC) introduced a change regarding series ratings for circuit breakers that deserves careful review before applying an engineered series rating. The additional section 240.86(A) reads: (A) Selected under Engineering Supervision in Existing...

NRC ABC - Alberta Building Code 2014 Volume 1 and Volume 2
January 1, 2014 - NRC
A description is not available for this item.
ANSI/NEMA AB 3 - Molded Case Circuit Breakers and Their Application
January 1, 2013 - NEMA

This application guide covers molded case circuit breakers and molded case switches, single-pole and multi-pole, fused and unfused, as well as accessories used with them. These circuit breakers and switches are assembled as integral units in supporting housings of insulating material and have rated...

NEMA AB 5 - Establishing Levels of Selective Coordination for Low Voltage Circuit Breakers
January 1, 2011 - NEMA

The scope of this standard includes all types of circuit breakers listed to: 1) The UL 489 Molded-Case Circuit Breakers, Molded-Case Switches and Circuit-Breaker Enclosures 2) The UL 1066 Standard for Safety Low-Voltage AC and DC Power Circuit Breakers Used in Enclosures The standard specifically...

ASHRAE AB-10-024 - Heat Gain from Adjustable Speed (Variable Frequency) Drives
January 1, 2010 - ASHRAE

INTRODUCTION The Adjustable Speed Drive (ASD) is also known as an Adjustable Frequency Drive (AFD) or Variable Frequency Drive (VFD). ASDs are used in industrial processes that need to control the shaft speed in rotation equipment such as fans, pumps and assembly lines. ASDs can be mechanical where...

ASHRAE AB-10-025 - Heat Gain from Electrical and Control Equipment in Industrial Plants—Part 2
January 1, 2010 - ASHRAE

ABSTRACT RP-1395 is a continuation of an earlier project where the heat dissipated by indoor power distribution equipment is estimated. In RP-1104 certain equipment were examined while others were not. The goals of RP-1395 was to provide verification of some of the information presented in RP-1104...

SSPC AB 4 - Recyclable Encapsulated Abrasive Media (in a compressible cellular matrix)
September 1, 2009 - SSPC

This standard provides requirements for selecting and evaluating abrasive media encapsulated in a compressible non-uniform cellular matrix used to blast clean steel and other surfaces prior to the application of protective coatings. The standard also includes requirements for quality control of new...

SPI AB-151 - SPI Committee on Equipment Statistics Annual Report
March 18, 2009 - SPI
A description is not available for this item.
SPI AB-152 - SPI Committee on Equipment Statistics Quarterly Report
November 20, 2008 - SPI
A description is not available for this item.
SPI AB-155 - The Size and Impact of the Plastics Industry on the U.S. Economy with State-by-State Data
November 20, 2008 - SPI
A description is not available for this item.
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