This standard specifies the scope, model, environmental conditions, technical requirements, testing methods, acceptance rules, sampling and conformity assessment and marking, packaging and storage of electrical equipment mechanical structural frame products. This standard applies to the design, manufacturing, use, testing and acceptance of frame products with profile as structural type (such as FA type).
JB/T 8678-1998 history
1998JB/T 8678-1998 General technical specifications for mechanical structural frame of electrical equipments