John Yoon

John Yoon, PE, LEED AP ID+C; is lead electrical engineer at McGuire Engineers, Chicago. He is a member of the Consulting-Specifying Engineer editorial advisory board.

latest from John Yoon

Lighting and Lighting Controls

How to keep smart lighting from being stupid

Power Generation

Five more reasons generators fail when you need them the most

Electrical and Power

Electrical distribution systems: Fuses versus circuit breakers

Power Generation

Five reasons emergency generators fail when you need them

Electrical and Power

How to specify metal-clad cable and busways

Electrical and Power

Commercial wiring methods: Back to basics

Codes and Standards

NEC changes enhance resiliency

Lean Maintenance

Emerging wireless lighting control standards

Electrical and Power

NFPA 110-2019 concepts and changes

Fire and Life Safety

Visual perception and its impact on emergency illumination design

Fire and Life Safety

World Trade Center building emergency lighting disasters

10 reasons lighting controls commissioning goes bad