On Tuesday, the tech giant said the patent, granted by the United States Patent and Trademark Office (USPTO), uses printed circuit board (PCB) structure as the inspiration for a new method to protect ...

The one man most responsible for popularizing “Pre-code” movies — those racy early talkies turned out by Hollywood before the Production Code Authority cracked down, largely at the behest of the ...

A certificate of attendance will be offered. Branch circuits are arguably the most widely installed circuits of all those found in the National Electrical Code (NEC). Given the multitude of rules for ...

In a circuit panel, every circuit must be identified as to its specific purpose or use [as per Sec. 408.4(A) of the National Electrical Code]. This identification must be made: In a circuit directory ...