UL 778 Motor Operated Water Pumps

standard by Underwriters Laboratories, 12/10/2002

Full Description

1.1 These requirements cover submersible and nonsubmersible motor-operated pumps intended to be used in ordinary locations in accordance with the NationalElectrical 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 the like, nor pumps covered by other individual requirements.

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

1.4 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, andthat involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements tomaintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflictwith specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformancewith the methods employed for development, revision, and implementation of this standard.

Product Details

Edition: 4 Published: 12/10/2002