GB 4943-2001 Translated English of Chinese Standard. GB4943-2001: Safety of information technology equipment

Forside
https://www.chinesestandard.net, 6. mai 2014 - 260 sider
This Standard is applicable to mains-powered or battery-powered information technology equipment, including electrical business equipment and associated equipment, with a RATED VOLTAGE not exceeding 600 V. This Standard is also applicable to such information technology equipment: designed for use as telecommunication terminal equipment and TELECOMMUNICATION NETWORK infrastructure equipment, regardless of the source of power; designed to use the AC MAINS SUPPLY as a communication transmission medium. This Standard specifies requirements intended to reduce risks of fire, electric shock or injury for the OPERATOR and layman who may come into contact with the equipment and, where specifically stated, for a SERVICE PERSON. This Standard is intended to reduce such risks with respect to installed equipment, whether it consists of a system of interconnected units or independent units, subject to installing, operating and maintaining the equipment in the manner prescribed by the manufacturer.

Inni boken

Utvalgte sider

Innhold

Preface
14
General
24
Electrical requirements and simulated abnormal conditions
170
connected to the network from hazards in the equipment
186
Annex A normative Tests for resistance to heat and fire
193
6 Permitted retest
200
6 Compliance criteria
206
normative Measuring instruments for touch current tests see 5 1 4
214
Annex H normative Ionizing radiation see 4 3 13
227
Annex N normative Impulse test generators see 2 10 3 4 6 2 2 1 and Clause G 5
238
Annex S informative Procedure for impulse testing see 6 2 2 3
244
4 Retention of electric strength after bending
250
Annex W informative Summation of touch currents
256

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Om forfatteren (2014)

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