GB 4793.1-2007 (GB4793.1-2007) & related versions
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Safety requirements for electrical equipment for measurement, control, and laboratory use -- Part 1: General requirements
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GB 4793.1-2007
ICS 19.080; 71.040.10
L 09
GB
National Standard
of the People’s Republic of China
GB 4793.1-2007 / IEC 61010-1.2001
Replacing GB 4793.1-1995
Safety requirements for electrical equipment
for measurement, control, and laboratory use -
Part 1. General requirements
(IEC 61010-1.2001, IDT)
ISSUED ON. JUNE 7, 2007
IMPLEMENTED ON. SEPTEMBER 1, 2007
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine;
Standardization Administration Committee.
Table of Contents
Foreword ... 9
Introduction ... 12
1 Scope and object ... 13
1.1 Scope ... 13
1.1.1 Equipment included in scope ... 13
1.1.2 Equipment excluded from scope ... 13
1.1.3 Computing equipment ... 14
1.2 Object ... 14
1.2.1 Aspects included in scope ... 14
1.2.2 Aspects excluded from scope ... 14
1.3 Verification... 15
1.4 Environmental conditions ... 15
1.4.1 Normal environmental conditions ... 15
1.4.2 Extended environmental conditions ... 15
2 Normative references ... 16
3 Terms and definitions ... 17
3.1 Equipment and states of equipment ... 17
3.2 Parts and accessories ... 18
3.3 Electrical quantities ... 19
3.4 Tests ... 19
3.5 Safety terms ... 20
3.6 Insulation ... 22
4 Tests ... 23
4.1 General ... 23
4.2 Sequence of tests ... 24
4.3 Reference test conditions ... 24
4.3.1 Environmental conditions ... 24
4.3.2 State of equipment ... 24
4.4 Testing in SINGLE FAULT CONDITION ... 26
4.4.1 General ... 26
4.4.2 Application of fault conditions ... 27
4.4.3 Duration of tests ... 30
4.4.4 Conformity after application of fault conditions ... 30
5 Marking and documentation ... 31
5.1 Marking ... 31
5.1.1 General ... 31
5.1.2 Identification ... 32
5.1.3 MAINS supply ... 32
5.1.4 Fuses ... 34
5.1.5 TERMINALS, connections and operating devices ... 35
5.1.6 Switches and circuit-breakers ... 36
5.1.7 Equipment protected by DOUBLE INSULATION or REINFORCED INSULATION . 37
5.1.8 Field-wiring TERMINAL boxes ... 37
5.2 Warning markings ... 37
5.3 Durability of markings ... 38
5.4 Documentation ... 38
5.4.1 General ... 38
5.4.2 Equipment RATINGS ... 39
5.4.3 Equipment installation ... 39
5.4.4 Equipment operation ... 40
5.4.5 Equipment maintenance ... 41
6 Protection against electric shock ... 41
6.1 General ... 41
6.1.1 Requirements ... 41
6.1.2 Exceptions ... 41
6.2 Determination of ACCESSIBLE parts ... 42
6.2.1 Examination ... 42
6.2.2 Openings above parts that are HAZARDOUS LIVE ... 43
6.2.3 Openings for pre-set controls ... 43
6.3 Permissible limits for ACCESSIBLE parts ... 43
6.3.1 Values in NORMAL CONDITION ... 43
6.3.2 Values in SINGLE FAULT CONDITION ... 44
6.4 Protection in NORMAL CONDITION ... 46
6.5 Protection in SINGLE FAULT CONDITION ... 47
6.5.1 PROTECTIVE BONDING ... 47
6.5.2 DOUBLEIN SULATION and REINFORCED INSULATION ... 52
6.5.3 PROTECTIVE IMPEDANCE ... 52
6.5.4 Automatic disconnection of the supply ... 52
6.6 Connections to external circuits ... 53
6.6.1 General ... 53
6.6.2 TERMINALS for external circuits ... 54
6.6.3 Circuits with TERMINALS which are HAZARDOUS LIVE ... 54
6.6.4 ACCESSIBLE TERMINALS for stranded conductors ... 54
6.7 CLEARANCES and CREEPAGE DISTANCES ... 55
6.7.1 General requirements... 55
6.7.2 MAINS CIRCUITS ... 57
6.7.3 Circuits other than MAINS...
......
Standard ID | GB 4793.1-2007 (GB4793.1-2007) | Description (Translated English) | Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements | Sector / Industry | National Standard | Classification of Chinese Standard | L09 | Classification of International Standard | 19.080; 71.040.10 | Word Count Estimation | 83,813 | Date of Issue | 2007-06-07 | Date of Implementation | 2007-09-01 | Older Standard (superseded by this standard) | GB 4793.1-1995 | Quoted Standard | GB/T 1633-2000; GB/T 3768; GB 4208; GB 4706; GB 5013; GB 5023; GB 7247.1; GB 8898; GB/T 11020; GB/T 11021; GB/T 11918; GB/T 11919; GB/T 12241; GB 14048.1; GB 14048.3; GB 15934; GB/T 16404; GB/T 16927; GB/T 17181; IEC 60027; IEC 60651; IEC 60664-3 | Adopted Standard | IEC 61010-1-2001, IDT | Drafting Organization | China Electronics Standardization Institute | Administrative Organization | China Electronics Standardization Institute | Regulation (derived from) | Chinese National Standards Bulletin 2007 No. 5 (No. 105 overall)(" China Standardization ") | Proposing organization | People's Republic of China Ministry of Information Industry | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China | Summary | This Chinese standard applies to a device GB 4793 The provisions of this standard are destined for professional use, industrial process use and educational use general safety requirements for electrical equipment, when used under ambient conditions 1. 4, these meet the following a) ~ d) defines a device that can be equipped with any computing device: a) electrical test and measurement equipment is electrical methods for testing, measuring, indicating or recording of one or more power or charge devices, including non- measurement equipment, such as signal generator, measurement standards, power supply, transducer, and a transmitter, etc. b) electrical control device refers to one or more output control device at a specific value, and each value manually set by a local or remote programming, or by one or more input variables to determine. c) refers to the measurement of electrical laboratory equipment, instructions, or the analyte monitoring device, or a device for the preparation of materials, including in vitro diagnostics (IVD) devices. This device can also be used outside the laboratory cold places, such as self-examination can be used for IVD devices used in the home. d) intended to be used in conjunction with the above equipment accessories (such as sample handling equipment). | Standard ID | GB 4793.1-1995 (GB4793.1-1995) | Description (Translated English) | Safety requirements for electrical equipment for measurement, control, and laboratory use. Part 1: General requirements | Sector / Industry | National Standard | Classification of Chinese Standard | L09 | Classification of International Standard | 25.040.40 | Word Count Estimation | 73,711 | Date of Issue | 1995/12/29 | Date of Implementation | 1996/10/1 | Older Standard (superseded by this standard) | GB 4793-1984 | Adopted Standard | IEC 61010-1-1990, IDT; IEC 61010-1 AMD.1-1992, IDT | Regulation (derived from) | China National Standards Bulletin No. 5 of 2007 (Serial No. 105) ("China Standardization") | Proposing organization | People Republic of China Ministry of Machinery and Electronics Industry | Issuing agency(ies) | State Bureau of Technical Supervision | Summary | This Standard specifies the professional, industrial process, and educational use common safety requirements for electrical equipment, including the following uses of devices and computing devices: - measuring and testing; - control; - laboratory use - with these devices and apparatus for use with accessories (such as: sample handling equipment). This Standard is applicable to the following a) ~ c) terms defined and used in the environment of the equipment specified in 1. 4 | Standard ID | GB 4793-1984 (GB4793-1984) | Description (Translated English) | Safety requirements for electronic measuring apparatus | Sector / Industry | National Standard | Classification of Chinese Standard | L84 | Word Count Estimation | 42,410 | Date of Issue | 1984/12/20 | Date of Implementation | 1985/10/1 | Adopted Standard | IEC 348 (78), MOD |
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