HVAC

Top 5 Consulting-Specifying Engineer Articles, April 5 to April 11

Understanding GFCI nuisances, AHU component makeup, AEC industry struggles, humidity in healthcare facilities, and NFPA 72-2019 updates were Consulting-Specifying Engineer's five most clicked articles from last week, April 5 to April 11. Were you out last week? You can catch up here.
By McKenzie Burns April 12, 2019

Consulting-Specifying Engineer‘s top 5 most read articles online for April 5 to April 11 covered GFCI nuisances, AHU component makeup, AEC industry struggles, humidity in healthcare facilities, and NFPA 72-2019 updates. Were you out last week? You can catch up here. Link to each article below.

1. Understanding the changes to GFCI nuisancesSince the expansion of the 2017 National Electrical Code (NEC) ground fault circuit interrupter (GFCI) requirements to include single-phase receptacles up to 50A and three-phase receptacles up to 100A, we’ve seen a trend of increased GFCI nuisance tripping.

2. AHU types, components, and configurations – In this second portion, engineers will understand the component makeup of air handling units (AHUs) and their inclusion within various HVAC systems.

3. Our industry is broken – Over 70 percent of projects within the AEC industry are over budget or delivered behind schedule, or both.

4. The Fine Line of Humidity and Healthcare: 4 MEP Engineering Considerations – Over the past several years, regulators have given more attention to humidity levels in operating rooms and central sterile processing departments.

5. Know the updates to NFPA 72-2019The 2019 update of NFPA 72 provides fire protection engineers improved mass notification and emergency communication guidelines. Here’s a look at what’s new in the most recent version of the code.

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McKenzie Burns
Author Bio: Production Coordinator, CFE Media