Tag: NFPA 70

Figure 6: Electric room sizes using the 2023 edition of the NEC are larger in design because clearances listed in Table 110.26(A)(1) need to be met plus the additional egress requirements when the doors of the electrical equipment are open. Courtesy: CDM Smith

Electrical and Power

Know how to size an electrical room properly

Figure 4: NEC Chapters 6 and 7 can be used together to properly design microgrids using renewable energy sources. Article 690 details the requirements of photovoltaic electrical energy systems, including arrays, inverters and controllers. Article 705 defines the connections to a primary source of electricity such as the utility grid. Articles 706 and 710 include guidelines for energy storage systems and their installation and operation as stand-alone systems. Courtesy: CDM Smith

Electrical and Power

What to know about NEC 2023 in electrical design

Figure 5: Pump station with alarms and sensor devices. Courtesy: CDM Smith

Fire and Life Safety

How to navigate NFPA 820 for wastewater treatment plants

Figure 3: Pump station with a makeup air unit and two exhaust fans. Courtesy: CDM Smith

Fire and Life Safety

How to set up a basic step-by-step WWTP calculation