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GB 8898-2011 English PDF (GB8898-2011)

GB 8898-2011 English PDF (GB8898-2011)

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GB 8898-2011: [Replaced by GB 4943.1-2022] Audio, video and similar electronic apparatus -- Safety requirements

This Standard applies to electronic apparatus designed to be powered from grid power supply, from power supply equipment, from battery or from remote power system and intended for reception, generation, recording or reproduction of audio, video and relevant signals. It also applies to apparatus designed to be used exclusively in combination with the above-mentioned apparatus. This Standard primarily applies to the apparatus intended for household and similar general use but which may also be used in places of public locations such as schools, theatres, places of worship and the workplace. PROFESSIONAL APPARATUS intended for use as described above is also covered unless it is specifically within the scope of other standards. This Standard only applies to safety aspects of the above apparatus; it does not apply to other matters, such as style or performance. If above apparatus is designed to be connected to TELECOMMUNICATION NETWORK or similar network, for example by means of an integrated modem, this Standard also applies.
GB 8898?€?2011
ICS 97.020
L 09
NATIONAL STANDARD OF THE PEOPLE REPUBLIC
OF CHINA
Replace GB 8898?€?2001
Audio, video and similar electronic apparatus?€?
Safety requirements
(IEC 60065. 2005, MOD)
ISSUED ON. DECEMBER 30, 2011
IMPLEMENTED ON. NOVEMBER 01, 2012
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine of the PEOPLE Republic of China;
Standardization Administration Committee of the PEOPLE
Republic of China
Table of Contents
Foreword ... 1
INTRODUCTION ... 11
1 General Principles ... 1
2 Terms and definitions ... 11
3 General requirements ... 28
4 General test conditions ... 29
5 Marking and instructions ... 41
6 Hazardous radiations ... 47
7 Heating under normal operating conditions ... 51
8 Constructional requirements of protection against electric shock .. 56 9 Electric shock hazard under normal operating conditions ... 69
10 Insulation requirements ... 76
11 Fault conditions ... 81
12 Mechanical strength ... 87
13 CLEARANCES and CREEPAGE DISTANCES ... 94
14 Components ... 114
15 TERMINALS ... 140
16 External flexible cords ... 150
17 Electrical connections and mechanical fixings ... 154
18 Mechanical strength of CRT and anti-explosive impact ... 158
19 Stability and mechanical hazards ... 159
20 Resistance to fire ... 162
Annex A (Normative) Additional requirements for apparatus with
protection against splashing water ... 180
Annex B (Normative) Apparatus to be connected to the
TELECOMMUNICATION NETWORKS ... 182
Annex C (Normative) Band-pass filter for wide-band noise measurement
... 185
Annex D (Normative) Measuring network for touch current ... 186
Annex E (Normative) Measurement of clearances and creepage distances
... 187
Annex F (Normative) Table of electrochemical potentials ... 191
Annex G (Normative) Flammability test methods ... 192
Annex H (Normative) Insulated winding wires for use without interleaved insulation ... 197
Annex J (Normative) Alternative method for determining minimum
clearances ... 201
Annex K (Normative) Impulse test generators ... 210
Annex L (Normative) Additional requirements for electronic flash
apparatus for photographic purposes ... 211
Annex M (Informative) Examples of requirements for quality control
program ... 216
Annex N (Informative) Routine tests ... 218
Annex P (Informative) Differences between this Standard and GB
8898-2001 ... 223
Annex Q (Informative) Normative references in IEC 60065. 2005
/Bibliography and normative references in this Standard /contrast table of bibliography ... 224
Annex R (Normative) Description about the safety warning marking
newly added in this Standard ... 233
Annex S (Informative) Comparison table of the Chinese, Tibetan,
Mongolian, Zhuang characters and Uyghur characters for sample of
safety-related description in this Standard ... 234
References ... 236
References and Original Chinese Documents ... 240
Foreword
All the technical contents in this Standard are mandatory.
This Standard is drafted according to the rules specified in GB/T 1.1-2009. By using redrafting-method, this Standard modifies and adopts the international standard IEC 60065.2005 Section 7.1 Safety Requirements for Audio, Video and Similar Electronic Equipment (English version).
The technical differences between this Standard and IEC 60065.2005 are. a) Marking of the power rating value
The marking of the rated voltage and frequency in 5.1e) and f) of IEC 60065.2005 does not clearly specify specific values, which is only expressed with example, and the voltage in the example never includes Chinese voltage. According to the power grid and power supply requirements in China, the supply voltage is 220V, 50Hz or three-phase 380V and 50Hz. Therefore, this Standard 5.1e) clearly specifies the rating of power supply. the single rated voltage shall be marked as 220V or three-phase as 380V. The rated voltage range shall include 220V or three-phase 380V. For multiple rated voltage, one of which must be 220V or three-phase 380V; and 220V or three-phase 380V must be set [Translator. as default] when leaving the factory. For multiple rated voltage ranges, 220V or three-phase 380V shall be included; and 220V voltage range or three-phase 380V voltage range shall be set [Translator. as default] when leaving the factory. Rated frequency or rated frequency range is clearly specified under 5.1f) in this Standard. rated frequency or rated frequency range shall be 50Hz or inclusive 50Hz. b) Safety instructions
Safety instruction is clearly specified, the description ?€?The language acceptable for the country where the equipment is intended for use in shall be used?€? in 5.4 is changed to ?€?Standard Chinese shall be used?€?.
In Chapter 5, safety warnings and warning signs are added for operational conditions under altitude and tropical climate.
For the equipment which is only applicable to region below altitude 2,000m, ?€?Only applicable to regions below altitude 2,000m for safe operation?€? or similar warning statement or marking symbols shall be provided at prominent location of the equipment. For equipment which is only applicable to non-tropical climates. ?€?Only applicable to non-tropical climates for safe operation?€? or similar warning statement or marking symbols shall be provided at prominent location of the equipment.
If marking symbol is used separately, the explanation of meaning shall be provided in the instructions.
Safety warning statement (for example, warning statements ?€? to be used below the altitude 2,000m; to be used in non-tropical climates) shall be in the language acceptable for the targeted market.
Add Annex R, and provide instructions of new safety warning marking.
Add Annex S, and provide comparison table of the Chinese, Tibetan, Mongolian, Zhuang characters and Uyghur characters for sample of safety-related description in this Standard.
c) Power plug
According to the dedicated power plug standards of our nation, the following sentence is added to Note 1 in 15.1.1. the power plug connecting the equipment and network power supply shall comply with the requirements of GB 1002 or GB 1003.
d) Applicable scope
IEC 60065.2005 applies to equipment used below altitude 2,000m. 1.1.3 stipulates that additional requirements are needed for the equipment intended to be used at plateau above altitude 2,000m. IEC 60065.2005 defines additional requirements for equipment used under tropical climates.
Due to the special nature of the geographic and climatic conditions in China, and after modifying some provisions in the IEC 60065.2005, this Standard applies to the equipment used below altitude 5,000m (inclusive 5,000m) and the equipment used under tropical climate conditions. For the equipment only intended to be used below altitude 2,000m or under non-tropical climates, the corresponding degraded requirements may be adopted, but warnings shall be provided.
The first paragraph of 1.1.3 in this Standard is changed to. This Standard applies to equipment mainly used in altitude 5,000m and below; mainly in dry areas and temperate zones or tropical climates. The fourth paragraph of 1.1.3 is changed to. for the equipment intended to be used in vehicle, vessel or aircraft ...

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