While energy efficiency technology may not always be inexpensive, it does not have to be a luxury only wealthy homeowners can enjoy. California policymakers are taking steps to make efficiency equally accessible to the state...
Supply chain problems continue to gum up the economy, but a group of power companies have teamed up to help one industry break free from this cycle and develop its own momentum. On June 21, several U.S. power companies...
What if you could double the bandwidth of your outside plant fiber optic network easily, or even multiply the bandwidth by 10, 20 or more? In high-speed links, it’s a common practice and accomplished using wavelength division...
More workers may be attracted to the construction industry because of wage increases, but there’s still a gap between the number of workers now on payrolls and what contractors need to have to complete projects, according to...
An early summer heatwave has much of the nation scrambling to keep cool. That means more demand on the electric grid as people turn on more fans and dial down their air conditioner settings. The National Oceanic and...
According to a report from market research firm Guidehouse Insights, smart technology is beginning to make inroads into emergency lighting systems for commercial buildings—a market segment that has typically been slow to...
The cable fault locator market is on the verge of considerable growth. A recent report from Future Market Insights (FMI) predicts an impressive 10.1% year-over-year growth rate through 2029, surpassing $1.5 billion in value...
When it comes to developing smart grid technologies, the name Edith Clarke speaks volumes for the past and present. Though born in 1883, when it was highly unlikely for women to become engineers, Clarke created something many...
Chapter 4 of the NEC, Equipment for General Use, includes the minimum requirements for equipment such as motors, transformers, appliances, heating equipment and more. According to Section 90.3, these rules are general in nature but could be amended by the specific requirements in chapters 5–7. Properly applying the NEC requires steady use and accurate navigation, so students of the Code are always learning.
How well do you know the requirements for duct smoke detectors? Requirements come from a number of different codes and standards. Take this quiz and test your knowledge.