BS EN 60947-9-2. Low-voltage switchgear and controlgear. Active arc-fault mitigation systems. Part 9-2. Optical-based internal arc-detection and mitigation devices— 50 стр.
Live working - Protective clothing against the thermal hazards of an electric arc - Part 1-2: Test methods - Method 2: Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)— 55 стр.