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Electrical

Courtesy: CFE Media and Technology
Emergency, Standby, Backup March 4, 2020

Your questions answered: How to specify backup, standby and emergency power in mission critical facilities

Additional information from the Feb. 27, 2020, webcast was provided by the presenters

By Bart Hogge, PE, ATD, LEED AP; Danna Jensen, PE, LEED AP BD+C
Webcasts Electrical March 4, 2020

Power for emergency fire/life safety systems

Emergency and standby systems are used to provide backup power for building systems to provide assurance that fire/life safety systems and critical equipment can maintain their operation during a power outage

Figure 1: A vertical inline fire pump is equipped with a flowmeter bypass and a low suction throttling valve. Courtesy: Dewberry
Fire, Life Safety March 2, 2020

Consulting-Specifying Engineer most-viewed articles, February 2020

Read the best articles in February 2020 including: NEC changes, building automation advances, electrical design for smoke control systems, cooling coil condensate, lighting commissioning and more.

By Chris Vavra
Electrical January 21, 2020

Tips for designing circuit interrupters

Electrical engineers should be familiar with how to specify various circuit interruption and emergency electrical disconnects in commercial facilities

By Clinton R. Gordon, LEED AP, Bear Label Consulting Engineers, Las Vegas; and Wessen Light, NV5, Las Vegas
Electrical, Power December 27, 2019

Lab, research facility design: Electrical, power and lighting

Learn tips on how to design labs and research facilities — some of the most high-tech buildings around

By Consulting-Specifying Engineer
Power December 24, 2019

How to correctly size a transformer

Engineers must make informed decisions regarding the proper transformer sizing selection, electrical and mechanical requirements and impacts to the electrical system under different operating and loading conditions

By Zia Salami, Ph.D., CDM Smith, Charlotte, N.C.; Lilly Vang, CDM Smith, Raleigh, N.C.; and Adrian Hendels, CDM Smith, Boca Raton, Fla.
Codes and Standards December 24, 2019

Codes and standards for transformers

Several codes, standards and guidelines must be considered when specifying transformers

By Zia Salami, Ph.D., CDM Smith, Charlotte, N.C.; Lilly Vang, CDM Smith, Raleigh, N.C.; and Adrian Hendels, CDM Smith, Boca Raton, Fla.
Electrical, Power December 18, 2019

Transformer selection and sizing

Selecting and sizing electrical distribution transformers is fundamental for electrical designers and engineers

By Robert Sander and Mario Caraveo, NV5, Las Vegas
Electrical December 18, 2019

Case study: Manufacturing facility electrical design

This example of a manufacturing plant, lab and office building power distribution project walks through the electrical engineering decisions

By Robert Sander and Mario Caraveo, NV5, Las Vegas
Codes and Standards December 16, 2019

Analyzing NEC 2017 changes

Several changes to the 2017 edition of NFPA 70: National Electrical Code should be noted

By Vahik Davoudi, PE, LEED AP BD+C, Arup, Los Angeles