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ULC 61482-1 Live Working - Portable Phase Comparators for Use on Voltages from 1 kV to 36 kV a.c. (CEI/IEC 61482-1:2002, IDT) (CAN/ULC 61482-1)
standard by Underwriters Laboratories of Canada, 08/10/2012
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Full Description
This National Standard of Canada specifies test methods to measure the arc thermal performance value of materials intended for use in heat- and flame- resistant clothing of workers exposed to electric arcs.These test methods measure the arc thermal performance value of materials which meet the following requirements: less than 100 mm char length and less than 2 s afterflame after removal from flame, when tested in accordance with ISO 15025, procedure B (bottom-edge ignition) on the outer material, and the char length measured using a modified ISO method as described in Annex A.
These methods are used to measure and describe the properties of material, products, assembled or garments in response to convective and radiant energy generated by an electric arc in open air under laboratory conditions.