400.7 Flexible Cords and Cables. Uses Permitted.

The inlet, the receptacle outlet behind the TV, and Chapter 3 wiring method, including the flexible cord and fittings, shall be a listed assembly specific for this application.

Arlington UL Listed TV Bridge™ III Kits

Flexible Cords, Cables and Fixture Wire

Electric Safety: 4 Common Mistakes Using Extension Cords

Using SOOJ cable. - Electric power & transmission & distribution - Eng-Tips

Code Q&A: Where Can You Not Use Flexible Cords and Flexible Cables?

Bus Drop Cable vs. SOOW and other Portable Cords

This looks up to code! (found in local mall) : r/WTF

Monoprice Recessed Pro Power Kit w/Straight Blade Inlet White

Untangling Flexible Cord Requirements

NEC 2014 Code Changes Update

Monoprice Recessed Pro Power Kit w/Straight Blade Inlet White