UL1581 Chapter 1670 Mechanical Testing Machine Soft Line Combustion Arc Testing

UL1581 Chapter 1670 Mechanical Testing Machine Soft Line Combustion Arc Testing Scope of application: Will finished HPN type cord (including 2 power thread core and a root or contains no grounding wire core), on soft line horizontal section of the conductor 48 ~ 62 HZ approximate sine wave ac 120 v voltage, at the same time impose test on soft wire flame 2 minutes, soft wire of power line should not arcing between core. Meet the standard: According to the design of the "soft