Electrical Safety: Slow Motion 480 Volt Arc Flash
Electrical Safety: Slow Motion 480 Volt Arc Flash
An arc flash is the light and heat produced as part of an arc fault, a type of electrical explosion or discharge that results from a connection through air to ground or another voltage phase in an electrical system.
An arc flash is the light and heat produced from an electric arc supplied with sufficient electrical energy to cause substantial damage, harm, fire, or injury. Electrical arcs experience negative incremental resistance, which causes the electrical resistance to decrease as the arc temperature increases. Therefore, as the arc develops and gets hotter the resistance drops, drawing more and more current (runaway) until some part of the system melts, trips, or evaporates, providing enough distance to break the circuit and extinguish the arc. Electrical arcs, when well controlled and fed by limited energy, produce very bright light, and are used in arc lamps (enclosed, or with open electrodes), for welding, plasma cutting, and other industrial applications. Welding arcs can easily turn steel into a liquid with an average of only 24 DC volts. When an uncontrolled arc forms at high voltages, and especially where large supply-wires or high-current conductors are used, arc flashes can produce deafening noises, supersonic concussive-forces, super-heated shrapnel, temperatures far greater than the Sun's surface, and intense, high-energy radiation capable of vaporizing nearby materials.
Arc flash temperatures can reach or exceed 35,000 °F (19,400 °C) at the arc terminals.
-
2:16
Rumblestuff
7 days agoHow deep is the ocean?
194 -
10:03
JoBlo Horror Originals
1 day agoThe Running Man: What Happened To This Adaptation?
1.8K9 -
41:59
Destene and Brandon
1 day agoTHE SECRET IS OUT!!! WE'RE HAVING A......
16.9K8 -
4:12
Hack
1 day agoWhat can be made out of plastic bottle lids
8.63K2 -
13:07
Exploring With Nug
1 day agoFailed Justice: 4-Year Sentence for Man Who Murdered Young Girl
12.5K19 -
24:03
Brewzle
21 hours agoWe Find INSANE Bottles Bourbon Hunting in Georgia
19.2K4 -
15:38
Degenerate Jay
16 hours agoThe Most Frustrating Trend That's Ruining Video Games
9.26K3 -
16:42
Space Ice
18 hours agoArnold's Conan The Destroyer Proved Masculinity Is The Greatest Thing Ever - Best Movie Ever
21.7K29 -
7:00
Hannah Barron
16 hours agoEven Rednecks Need a Girls Day!
32.2K29 -
15:25
shaneandliana
16 hours agoExtreme Disrespectful Prank On Uncle
21.7K8