The Powering America Team is helping transform the Milwaukee skyline. With the new Northwestern Mutual Tower and Commons, comparisons are being drawn to another nearby metropolis more well-known for its tall buildings.
This article is the third part in a series that provides a review of the more significant revisions and new requirements included in the 2017 edition of the National Electrical Code (NEC). This part provides a review of some significant changes in the articles in Chapter 2, Wiring and Protection.
Demand for wiring and cabling is expected to grow in the months and years ahead. Low-voltage applications for light-emitting diode (LED) technology and fiber optic cabling within the power-generation and telecommunications industries will help drive this market.
A reader wrote in that an inspector had turned down one of his projects, citing the installation was in violation of National Electrical Code (NEC) 517.13(A) and (B) because Type MC cable was installed in the patient-care areas.
While spaghetti adorned with one of the dozens of different sauces that are served in the small, off-the-beaten path restaurants in the Italian countryside is “splendido,” wiring that looks like spaghetti is just the opposite.
For roughly a century, electrical contractors (ECs) have used copper or aluminum wiring. Their coexistence at times has been competitive. The nature of the application and, in some cases, price have dictated the choice between the metals.
The primary focus of the National Electrical Code (NEC) is safety, and it offers specific requirements for how to install wiring and help ensure the safety of both the contractor and the building occupants.
Wireless technology is certainly getting attention these days. We’ve covered the extensive range of new home automation and security products and systems often here in the pages of ELECTRICAL CONTRACTOR.