Electrical, Power

Consulting-Specifying Engineer most-viewed articles, January 2020

Read the best articles in January 2020 including: NEC changes, building automation advances, electrical design for smoke control systems, cooling coil condensate, lighting commissioning and more.
By Chris Vavra February 3, 2020
Figure 1: A primary current injection testing wiring diagram is shown. Courtesy: Arup

Consulting-Specifying Engineer‘s top 10 articles online in January 2020 covered NEC changes, building automation advances, electrical design for smoke control systems, cooling coil condensate, lighting commissioning and more. Catch up with a link to each article below.

1. Analyzing NEC 2017 changes – Several changes to the 2017 edition of NFPA 70: National Electrical Code should be noted

2. Advances in building automation  Building automation has seen a tremendous amount of advancement and is changing not only how buildings are managed and operated, but also how they interact with the grid

3. Electrical design for smoke control systems – Engineers designing electrical infrastructure to support smoke control systems must be aware of the stringent requirements listed throughout multiple code section

4. Cooling coil condensate system design Cooling coil condensate is an important aspect of HVAC system design and should be carefully considered to avoid major issues in the future

5. Commissioning lighting occupancy sensors Installing lighting occupancy sensors and commissioning the devices have many benefits, including reducing operational and maintenance costs

6. NFPA 20: Fire pump design When designing a fire pump, there are a number of factors to keep in mind, particularly NFPA 20

7. Case study: Energy-efficient clean rooms Designers formulated several energy-saving strategies that can be implemented into the HVAC system design of a pharmaceutical-grade clean room suite

8. How egress is planned using NFPA 101 – NFPA 101: Life Safety Code is one of the primary sources for the requirements of exit pathways

9. What engineering firms can expect in 2020 – Here are eight business trends to watch this year

10. Tips for designing circuit interrupters Electrical engineers should be familiar with how to specify various circuit interruption and emergency electrical disconnects in commercial facilities


Chris Vavra
Author Bio: Chris Vavra is an associate editor for Control Engineering and has worked for the magazine since 2011. He edits articles on all automation topics and has written on topics including robotics, power generation, IIoT, AI/machine learning, and more. He has a Bachelor of Arts in English Literature degree from North Central College and is also a self-published crime/mystery novelist on Amazon.