double-electrical-insulation-system
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double electrical insulation system
HB50
insulation comprising both basic insulation and supplementary insulation
Elastomer-sheathed cables in accordance with AS/NZS 3116, thermoplastic-sheathed cables in accordance with AS 3147, sheathed flexible cords in accordance with AS/NZS 3191 other than ‘light-duty’ type, and sheathed neutral-screened cables in accordance with AS/NZS 3155 are deemed to provide double insulation between the conductors of the cable and any metal contact with the cable. The use of flexible cords of the ‘light-duty’ type as supply flexible cords is covered in equipment standards.