778-2002

UL Standard for Safety Motor-Operated Water Pumps (Fourth Edition; Reprint with Revisions Through and Including November 03@ 2009)


 

 

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标准号
778-2002
发布日期
2002年12月10日
实施日期
2010年02月26日
废止日期
中国标准分类号
/
国际标准分类号
/
发布单位
UL - UL
引用标准
96
适用范围
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. 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. 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.

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