Lighting: LED specifications

Engineers must understand the basics of LED lighting systems and which building types are best suited for them.

04/07/2016


Building owners are becoming more aware of and interested in selecting LEDs because of their energy efficiency and long lifespan. Good lighting enhances building design, conserves energy, and increases productivity, safety, security, and personal comfort. According to several government sources, up to 40% of the total energy used in commercial buildings is used for artificial lighting. The various codes and standards that dictate their design must be considered as LEDs are specified.

Engineers must understand the basics of LED lighting systems and which building types are best suited for them. It is important that engineers understand how to properly specify LED light sources when it comes to critical factors such as rated lifespan, lifecycle costs, efficacy, lumen output, compatibility with dimming controls, color rendering index (CRI), color temperature, and how LED lighting systems affect the electrical systems of the buildings in which they are installed.

Learning Objectives:

  • Explain the applicable codes and standards: ASHRAE Standard 90.1: Energy Standard for Buildings Except Low-Rise Residential Buildings; ASHRAE Standard 189.1: Standard for the Design of High-Performance Green Buildings; California Title 24, U.S. Department of Energy, International Energy Conservation Code (IECC), Illuminating Engineering Society (IES) LM-79, LM-80, TM-21, and other codes and standards as they apply to specifying LED lighting systems.
  • Assess the primary reasons for specifying LED instead of traditional lighting systems.
  • Analyze efficacy of light sources, LED directionality, lumen output, delivered lumens, color rendering index (CRI), inrush currents, and LED lifespan.
  • Outline decisions regarding the impact of specifying LED lighting on overall building design.

Presenters:

Haley Darst, LC, Associate IALD, CannonDesign, Boston

Richard Vedvik, PE, KJWW, Rock Island, Ill.

Moderator: Jack Smith, Consulting-Specifying Engineer, CFE Media, LLC



Consulting-Specifying Engineer's Product of the Year (POY) contest is the premier award for new products in the HVAC, fire, electrical, and...
Consulting-Specifying Engineer magazine is dedicated to encouraging and recognizing the most talented young individuals...
The MEP Giants program lists the top mechanical, electrical, plumbing, and fire protection engineering firms in the United States.
2017 MEP Giants; Mergers and acquisitions report; ASHRAE 62.1; LEED v4 updates and tips; Understanding overcurrent protection
Integrating electrical and HVAC for energy efficiency; Mixed-use buildings; ASHRAE 90.4; Wireless fire alarms assessment and challenges
Integrated building networks, NFPA 99, recover waste heat, chilled water systems, Internet of Things, BAS controls
Transformers; Electrical system design; Selecting and sizing transformers; Grounded and ungrounded system design, Paralleling generator systems
Commissioning electrical systems; Designing emergency and standby generator systems; VFDs in high-performance buildings
Tying a microgrid to the smart grid; Paralleling generator systems; Previewing NEC 2017 changes
As brand protection manager for Eaton’s Electrical Sector, Tom Grace oversees counterfeit awareness...
Amara Rozgus is chief editor and content manager of Consulting-Specifier Engineer magazine.
IEEE power industry experts bring their combined experience in the electrical power industry...
Michael Heinsdorf, P.E., LEED AP, CDT is an Engineering Specification Writer at ARCOM MasterSpec.
Automation Engineer; Wood Group
System Integrator; Cross Integrated Systems Group
Fire & Life Safety Engineer; Technip USA Inc.
This course focuses on climate analysis, appropriateness of cooling system selection, and combining cooling systems.
This course will help identify and reveal electrical hazards and identify the solutions to implementing and maintaining a safe work environment.
This course explains how maintaining power and communication systems through emergency power-generation systems is critical.
click me