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GB 16796-2022: Security alarm equipment -- Safety requirements and test methods
GB 16796-2022
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.310
CCS A 91
Replacing GB 16796-2009
Security alarm equipment - Safety requirements and test
methods
ISSUED ON: DECEMBER 29, 2022
IMPLEMENTED ON: JANUARY 01, 2024
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 4
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 7
4 Safety protection design principles ... 12
5 Requirement for protection from electric shock ... 12
5.1 Accessible parts ... 12
5.2 Insulation ... 14
5.3 Protective conductor ... 14
5.4 Fuse ... 15
5.5 Lightning protection ... 16
5.6 Battery ... 16
6 Requirements for protection from mechanical injury ... 16
6.1 Protection of sharp edges/acute angles ... 16
6.2 Protection of moving parts ... 16
6.3 Mechanical stability ... 16
6.4 Mechanical strength ... 16
7 Requirements for thermal burn protection ... 17
8 Requirements for fire prevention ... 18
8.1 Basic requirements ... 18
8.2 Enclosure structure ... 18
8.3 Flame retardant ... 19
9 Requirements for radiation protection ... 19
9.1 Protection against light radiation ... 19
9.2 Protection against ionization radiation ... 19
9.3 Protection against microwave radiation ... 20
10 Indicative requirements for safety protection ... 20
10.1 General provisions ... 20
10.2 Safety protection of sharp edges and acute angles ... 20
10.3 Safety protection of moving parts ... 20
10.4 Safety protection of equipment containing light sources ... 20
10.5 Safety protection of equipment of high voltage or high current ... 20
11 Requirements for equipment marking and instruction manual ... 21
11.1 Marking ... 21
11.2 Instruction manual... 23
12 Test methods ... 23
12.1 General test conditions ... 23
12.2 Anti-shock test ... 26
12.3 Test of protection from mechanical injury ... 32
12.4 Thermal burn protection test ... 33
12.5 Fire prevention test ... 34
12.6 Radiation protection test ... 34
12.7 Inspection of safety protection instructions ... 35
12.8 Inspection of markings and instructions ... 35
Appendix A (Normative) Test fixtures for accessible parts ... 37
A.1 Articulated test fixtures ... 37
A.2 Non-articulated test fixtures ... 38
A.3 Blunt test fixtures ... 38
Bibliography ... 39
Security alarm equipment - Safety requirements and test
methods
1 Scope
This document establishes the safety protection design principles for security alarm
equipment, stipulates the requirements for protection from electric shock, requirements
for protection from mechanical injury, requirements for thermal burn protection,
requirements for fire prevention, requirements for radiation protection, indicative
requirements for safety protection, requirements for markings and instructions, and
describes the test methods for each corresponding requirement.
This document applies to the design, manufacture, inspection and application of various
types of equipment in security systems.
Note: Various types of equipment include but are not limited to equipment in systems
such as intrusion and emergency alarm, video surveillance, entrance and exit
control, parking lot (warehouse) security management, explosion-proof safety
inspection, electronic inspection, building intercom, physical protection and
human biometric identification.
2 Normative references
The following documents are referred to in the text in such a way that some or all of
their content constitutes requirements of this document. For dated references, only the
version corresponding to that date is applicable to this document; for undated references,
the latest version (including all amendments) is applicable to this document.
GB 4943.1-2022, Audio/video, information and communication technology
equipment - Part 1: Safety requirements
GB/T 5465.1-2009, Graphical symbols for use on electrical equipment - Part 1:
Overview and classification
GB 7247.1-2012, Safety of laser products - Part 1: Equipment classification and
requirements
GB 15208.1-2018, Micro-dose X-ray security inspection system - Part 1: General
technical requirements
GB/T 37958-2019, Requirements of optical radiation safety for active lighting units
of video surveillance systems
Note 3: Abnormal operating conditions may cause the failure of components, devices
or safety protection.
[Source: GB 4943.1-2022, 3.3.7.1]
3.27
single fault condition
Under normal operation conditions of the equipment, a single safety protection (rather
than an enhanced safety protection) or a single component or device fails.
Note: B.4 in GB 4943.1-2022 specifies single fault conditions.
[Source: GB 4943.1-2022, 3.3.7.9]
4 Safety protection design principles
The safety protection design principles are as follows.
a) Prevent and reduce equipment safety risks under normal operation conditions,
abnormal operating conditions and single fault conditions.
b) Prevent and reduce safety risks of equipment in special use environments (such
as strong electromagnetic interference, extreme climate, explosion-proof places),
special working conditions (such as continuous long-term work) and specific
installation conditions (such as hoisting, wall hanging). For outdoor equipment
used in extremely cold and hot areas, when metal materials are used as the
enclosure, appropriate protective measures should be taken in the design.
c) Prevent and reduce safety risks caused by equipment components and parts, such
as implosion or explosion, ultrasonic or infrasonic damage.
d) Design or select a suitable protective enclosure that is provided with functions
such as protection from electric shock, protection from mechanical injury and
ignition prevention.
e) Select materials that meet the relevant requirements for pollution control of
electronic information products and are compatible with the requirements for
flame retardant grade, aging performance and mechanical strength of the
equipment.
5 Requirement for protection from electric shock
5.1 Accessible parts
5.1.1 Steady-state voltage or steady-state touch current limits
5.5 Lightning protection
Equipment intended to use coaxial cables to transmit data between different buildings
or between outdoor antennas and buildings shall be able to meet the electrical strength
requirements of 5.2.2 after undergoing the pulse test (without damp and hot
pretreatment); the above-mentioned equipment with antenna terminals shall also
undergo a voltage impact test, after which it shall be able to meet the electrical strength
requirements of 5.2.2 (without damp and hot pretreatment).
5.6 Battery
For equipment equipped with batteries, the batteries shall comply with the requirements
of 7.6 in GB 4943.1-2022.
6 Requirements for protection from mechanical injury
6.1 Protection of sharp edges/acute angles
When there are accessible sharp edges and/or acute angles on the equipment, protective
measures shall be taken to prevent harm to the human body.
Special equipment whose basic functions are achieved by using accessible sharp
edges/acute angles shall be provided with safety protection instructions.
6.2 Protection of moving parts
When there are accessible moving parts on the equipment, protective measures shall be
taken to prevent harm to the human body.
Special equipment whose basic ...