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Full Description

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.

 

Document History

  1. CAN/ULC 61481-2-15


    Live working - Phase comparators - Part 2: Resistive type to be used for voltages from 1kV to 36 kV a.c.

    • Most Recent
  2. CAN/ULC D61481-06

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    Live Working - Portable Phase Comparators for Use on Voltages from 1 kV to 36 kV a.c. (CEI/IEC 61481:2004, MOD)

    • Historical Version