Quizzes

ISC
By Thomas P. Hammerberg
How well do you know the installation and testing requirements for duct smoke detectors? This quiz is based on the 2019 NFPA 72, 2018 NFPA 90A and 2018 International Building Code (IBC).
National Electrical Code
By Michael Johnston
As indicated in Section 90.3, chapters 1 through 4 apply generally but can be modified or amended by the provisions in chapters 1 through 7. This Code quiz challenges readers with questions related to various special occupancies.
Safety
By Wesley L. Wheeler
Safer, more comfortable tools that help workers be more productive are introduced regularly. While ergonomics may not be included in final OSHA rules, ergonomically designed tools limit stress on the body and help prevent acute and chronic injuries. Test your knowledge about the safety features of your tools?
Cabling
By Jim Hayes
The responsibility for the success or failure of any project ultimately lies with the project manager. The project manager depends on their supervisors and workers to do the work correctly, but how do they know it’s done right, if they don’t understand the technology and processes?
National Electrical Code
By Michael Johnston
Chapter 3 of the National Electrical Code provides rules related to wiring methods and materials, specifically the electrical wiring of branch circuits and feeders installed in premises wiring systems. Article 300 provides the general requirements while the other articles contain rules specifically related to wiring methods. How well do you know Chapter 3?
Systems
By Thomas P. Hammerberg
This quiz is based on the requirements of NFPA 72, 2019 edition.
Safety
By Wesley L. Wheeler
Two recent emphasis programs that OSHA has initiated are Trench Safety and Fall Protection. These are enforcement strategies designed and implemented at the regional and area office levels. With the recent increase in excavation and fall incidents around the country, let’s review a few important requirements.
Cabling
By Jim Hayes
Data centers and wireless networks are two of the largest and fastest growing fiber optic applications. Both are rapidly evolving to meet customer needs. What’s your knowledge of today’s data centers? Answers are on page 103. To take the quiz electronically, visit ecmag.com.
National Electrical Code
By Michael Johnston
Some key general requirements in the National Electrical Code (NEC) address minimum working spaces around equipment, equipment markings and underground conduit installation depths. The authority having jurisdiction (AHJ) has significant interpretation and approval responsibilities. The NEC establishes minimum requirements.
Systems
By Thomas P. Hammerberg
One of the greatest challenges when installing a fire alarm is determining what you have to do when elevators are installed. Test your knowledge of the fire alarm requirements for elevators in NFPA 72 2019 edition.