Standard No.:	GB/T 12501-1990
Chinese Name:	电工电子设备防触电保护分类
English Name:	Classification of electrical and electronic equipment with regard to protection against electric shock
Professional Classification:	K09
Professional Classification:	GB National Standard
ICS Classification:	13.260
Issued by:
Issued on:	1990-11-06
Implemented on:	1991-07-01
Status:
Language:	English
File Format:	PDF
Word Count:	1500 words
Price(USD):	45 (USD)
Delivery:	via email in 1-3 business day

1 Subject Content and Application Scope

This standard specifies the classification and definition of low-voltage electrical and electronic equipment intended for connection to an external power supply, with regard to protection against electric shock in the event of an insulation failure.

This standard is applicable to electrical and electronic equipment with rated voltage not exceeding 660V AC r.m.s. If necessary, there is possibility of using it for higher voltages and other purposes in the related standard.

This standard is applicable to electrical and electronic equipment for use by the general public in homes, offices, workshops, schools, farms and the like, and for medical and dental purposes.

This standard is applicable to open-type equipment, that is to say equipment itself not provided with the protection against contact with live parts.

2 Normative References

GB 2900.1 Electrotechnical Terminology - Fundamental Terms
GB 3805 Safety Voltage
GB 4208 Degrees of Protection Provided by Enclosure
GB 4776 Electrical Safety Terminology