This week’s code contest: No. 521
Take this weekly quiz to test your knowledge of the 2023 National Electrical Code (NEC) requirements. The code quiz includes three questions presented in a fill-in-the-blank or multiple-choice format. The answers to each question are provided after you have submitted all of your answers. good luck! These materials are provided to us by Mike Holt […]
Does DisplayPort carry audio?
navigation yes it is. DisplayPort is a popular alternative to HDMI cables where extra bandwidth is needed, but it wouldn’t be a great option if it couldn’t at least meet the same basic features. Audio transmission, as well as video transmission, is a key component of DisplayPort, with audio over DisplayPort being a major […]
Broadcast cable ratings explained: CMP, CMR, and beyond
summary: Broadcast cable ratings It matters more than many installers realize. These ratings keep systems secure, code compliant, and ready for challenging broadcast environments. This guide explains the CMP, CMR, CL3P, and CL3R flame ratings, how they differ, and when each rating is required. You will also get a clear view Plenum versus riser cableEnvironmental […]