
Tom Divine, PE, LEED AP
Tom Divine is a senior electrical engineer at Johnston, LLC. He is a member of the Consulting-Specifying Engineer editorial advisory board.
Articles
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.
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.
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
Understanding the changes to NFPA 70-2020
New requirements of the 2020 edition of the National Electrical Code will affect facility design
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
Basics of NFPA 99 changes for hospital design
How engineers should navigate the changes to the 2018 edition of NFPA 99