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CAN/ULC D61481-06
- Live Working - Portable Phase Comparators for Use on Voltages from 1 kV to 36 kV a.c. (CEI/IEC 61481:2004, MOD)
- standard by Underwriters Laboratories of Canada, 07/01/2006
- Publisher: CAN/ULC
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This National Standard of Canada is applicable to portable phase comparators with or without a built-in power source to be used on electrical systems for voltages from 1 kV to 36 kV a.c. and frequencies from 50 Hz to 60 Hz.It is applicable to two-pole phase comparators having a connecting lead between them, two-pole phase comparators operating with a wireless connection and single-pole phase comparators operating with a memory system.This Standard is applicable to phase comparators used in contact with the part to be tested, as a single unit or as a separate device completed by an adaptable insulating pole covered in IEC 60855 or IEC 61235.
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