Access over 120,000 technical material datasheets with Prospector!
Crie Sua Conta Gratuita
High Amp Arc Ignition (HAI) - UL 746
The number of arc rupture exposures necessary to ignite a material when they are applied at a standard rate on the surface of the material.
Performance Level Categories (PLC) were introduced to avoid excessive implied precision and bias.
HAI Mean Number of Arcs | PLC |
---|---|
120 and greater | 0 |
60 through 119 | 1 |
30 through 59 | 2 |
15 through 29 | 3 |
<15 | 4 |