
Specification for electrically-heated catering equipment. Bulk liquid heaters
出版:British Standards Institution

專家解讀視頻
General requirements for heaters for operation on single phase or polyphase supplies where the voltage to earth does not exceed 250 V a.c. or d.c. Includes water boilers, coffee urns and milk heaters intended for intermittent or bulk heating rather than continuous delivery operating at atmospheric pressure.
? British Standards Institution 2013
Amendment notes:
AMD 593 published 16 September 1970