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Full Description

This National Standard of Canada is applicable to portable phase comparators of capacitive type to be used on electrical systems for voltages exceeding 1 kV a.c. and frequencies of 50 Hz and/or 60 Hz. This standard is applicable to single-pole phase comparators of capacitive type operating with a memory system up to 36 kV a.c., and two-pole phase comparators of capacitive type operating with a wireless connection up to 245 kV a.c. This standard is applicable to phase comparators of capacitive type used in contact with the bare conductive parts to be compared as a complete device including its insulating element or as a separate device, adaptable to an insulating stick which, as a separate tool, is not covered by this standard. A device that is designed to provide other functions than phase comparison is a different device and is not covered by this standard. For example a device designed to be also used as a voltage detector is not covered by this standard.
 

Document History

  1. CAN/ULC 61481-1-15

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    Live Working - Phase Comparators - Part 1: Capacitive type to be used for voltages exceeding 1 kV a.c.

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  2. 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)

    • Historical Version