WDR type outlet

Answer 1

A fire trap outlet used in motor homes. The wire self pierce romex conductors with a small contact friction contact. These should be replaced with quality screw terminal outlets in outlet boxes.

Answer 2

WDR stands for Water Drainage and Reclamation. It refers to an outlet or system designed to drain excess water from a certain area, helping to prevent flooding and manage water flow. These outlets are important for maintaining proper water balance in a region.