High-Current Arc Ignition
(HAI) UL 746A
High-Current Arc Ignition (HAI) performance is expressed as the number of arc rupture exposures (standardized to the electrode type and shape and electric circuit) that are necessary to ignite a material when they are applied at a standard rate on the surface of the material. 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.
- More Materials Testing
- Advanced Composites
- Arc Resistance
- Comparative Tracking Index
- Dielectric Constant and Dissipation Factor
- Differential Scanning Calorimetry
- Gravelometer
- High Voltage Tracking Resistance
- Polymers and Rubbers
- Thermo Gravimetric Analysis
- Thermo Mechanical Analysis
- Volume and Surface Resistivity
- Wetting Balance Testing
Associated Testing
- Advanced Composites
- Arc Resistance
- Comparative Index Tracking
- Dielectric Constant and dissipation Factor
- Differential Scanning Calorimetry
- Dynamic Mechanical Analysis
- High Voltage Arc Ignition
- High Voltage Tracking Resistance
- Polymers - Rubbers
- Volume and Surface Resistivity
- Wetting Balance Testing
Common Standards
- (HAI) UL 746A
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