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BS EN 61482-1-2:2014 - TC
Tracked Changes. Live working. Protective clothing against the thermal hazards of an electric arc Test methods. Method 2: Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)
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Označení normy: | BS EN 61482-1-2:2014 - TC |
Vydáno: | 2020-02-25 |
ISBN: | 978-0-539-08781-9 |
Status: | Tracked Changes |
DESCRIPTION
BS EN 61482-1-2:2014 - TC
This standard BS EN 61482-1-2:2014 - TC Tracked Changes. Live working. Protective clothing against the thermal hazards of an electric arc is classified in these ICS categories:
- 29.260.99 Other electrical equipment for working in special conditions
- 13.340.10 Protective clothing
- 13.220.40 Ignitability and burning behaviour of materials and products
- new mean values of main control parameters arc energy and incident energy based on an extended statistical database consisting of parameter values measured in four laboratories;
- reduction of validity check ranges of main control parameters;
- determination of the incident energy by averaging the two sensor values of a test (instead of considering each single sensor value);
- determination of the heat curves of transmitted incident energy and an amendment to the heat flux acceptance criterion;
- clarification of the scope;
- and selection of the arc protection classes (test classes) by the amount of the arc energy and incident energy instead of the short-circuit current.