
Tom Divine, PE, LEED AP
Articles
Case Study
March 19, 2025
Case study: How to meet code and forgo emergency lighting outages
An existing residential facility in Texas added a standby generator to serve its entire load during utility outages.
By Tom Divine, PE, LEED AP
Lighting and Lighting Controls
March 5, 2025
Do you know the requirements for emergency lighting systems?
Emergency lighting requirements derive from provisions of various building codes. Requirements are complex and can be difficult for an electrical engineer to locate in the heat of battle.
By Tom Divine, PE, LEED AP
Electrical and Power
July 19, 2022
Your questions answered: How to design electrical distribution systems
In the webcast “How to design electrical distribution systems,” some items were left unanswered. Tom Divine tackles several here
By Tom Divine, PE, LEED AP
Codes and Standards
December 29, 2020
Understanding the changes to NFPA 70-2020
New requirements of the 2020 edition of the National Electrical Code will affect facility design
By Tom Divine, PE, LEED AP
Electrical and Power
July 29, 2020
Back to basics: Switchgear, transformers and UPSs
Switchgear, transformers and uninterruptible power supplies are among the largest, costliest and most critical devices in a facility
By Tom Divine, PE, LEED AP
Healthcare Facilities
June 19, 2020
Basics of NFPA 99 changes for hospital design
How engineers should navigate the changes to the 2018 edition of NFPA 99
By Tom Divine, PE, LEED AP