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About This Item


Full Description

Motor-Operated Water Pumps

UL 778

1 Scope

1.1 These requirements cover submersible and nonsubmersible motor-operated pumps intended to be used in ordinary locations in accordance with the National Electrical Code, NFPA 70.

1.2 These requirements do not cover pumps rated more than 600 volts, pumps using universal motors rated more than 250 volts, pumps for fire protection service, pumps for use as or with swimming or wading pool equipment, therapeutic baths, and similar equipment, nor pumps covered by other individual requirements. These requirements do not cover pressure controls or pressure tanks that are intended for use in water or other liquid systems.

1.3 A pump not covered by any of the definitions in Definitions, Section 3, and a pump intended for use with liquids other than water, shall be evaluated on the basis of its compliance with the requirements in this standard, and further examination and tests required to determine whether it is acceptable for the purpose.

Document History

  1. UL 778


    Motor Operated Water Pumps

    • Most Recent
  2. UL 778

    Motor Operated Water Pumps

    • Historical Version
  3. UL 778

    Motor Operated Water Pumps

    • Historical Version