Topic

dc arcing

3 videos. Ranked by independent recommendations, not by views.

1. 

   1 AC vs DC Switching Demonstration with Arcs

   John Ward (jwflame) 5 people · 5 months · since Feb 2020

   Cited as a vivid demonstration by John Ward of why direct current arcs far worse than alternating current across contacts, and why switch ratings differ.

2. 

   2 Inside a 125A DC circuit breaker. Unexpected arc quenching feature.

   bigclivedotcom 3 people · 3 months · since Aug 2019

   Big Clive shows why a DC arc keeps burning where an AC arc dies at the zero crossing, explaining why DC breakers need magnets and arc chutes.

3. 

   3 DC Solar Array - Arc fault demonstration

   AC Solar Warehouse 3 people · 3 months · since Aug 2019

   Cited as a demonstration of how readily high-voltage DC sustains an arc, supporting advice to use switches properly rated for DC.