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GB/T 27905.4-2011: Inspection methods for trace and physical evidences from fire scene -- Part 4: Electrical wire
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 27905.4-2011 | English | 169 |
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Inspection methods for trace and physical evidences from fire scene -- Part 4: Electrical wire
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GB/T 27905.4-2011
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Basic data | Standard ID | GB/T 27905.4-2011 (GB/T27905.4-2011) | | Description (Translated English) | Inspection methods for trace and physical evidences from fire scene -- Part 4: Electrical wire | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | C82 | | Classification of International Standard | 13.220.20 | | Word Count Estimation | 7,713 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-06-01 | | Quoted Standard | GB/T 16840.1; GB 16840.2; GB 16840.4; GB/T 20162 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the electrical circuit traces evidence of fire inspection equipment, check the contents, inspection records, trace extraction and identification marks when requirements. This section applies to electrical wiring fire evidence traces checks. | GB/T 27905.4-2011: Inspection methods for trace and physical evidences from fire scene -- Part 4: Electrical wire
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Inspection methods for trace and physical evidences from fire scene Part 4. Electrical wire
ICS 13.220.20
C82
National Standards of People's Republic of China
Fire trace evidence examination methods
Part 4. Electrical Wiring
Part 4. Electricalwire
Issued on. 2011-12-30
2012-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 27905 "physical evidence traces of fire inspection method" is divided into five parts.
--- Part 1. Evidence classification and coding;
--- Part 2. ordinary plate glass;
--- Part 3. ferrous metal products;
--- Part 4. electrical wiring;
--- Part 5. low-power asynchronous motor.
This section GB/T Part of 427,905.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section presents the People's Republic of China Ministry of Public Security.
This part of the National Technical Committee of Standardization Technical Committee Fire Fire Investigation (SAC/TC113/SC11) centralized.
This section drafted by. Ministry of Public Security Fire Research Institute of Shenyang, Beijing Municipal Public Security Fire Corps.
The main drafters of this section. Wang Xinming, Zhao Long, Li Jianlin, Xu release, Gao Wei, Meng Mountain.
This section first release.
Fire trace evidence examination methods
Part 4. Electrical Wiring
1 Scope
This section GB/T 27905 specifies the electrical circuit traces of evidence of fire equipment inspection, content inspection, inspection records, traces of extraction
Requirements and traces for Identification.
This section applies to electrical wiring fire trace evidence examination.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 16840.1 mark evidence of electrical fire technical appraisal methods - Part 1. Macro method
GB 16840.2 Technical determination methods for electrical fire cause Part 2. Method remanence
GB 16840.4 Technical determination methods for electrical fire cause Part 4. Metallographic
GB/T 20162 Fire Identification evidence Extraction
3 equipment
3.1 Measuring Instruments
Megger, residual magnetism tester, multimeter, electrical inspection pen, metal detectors.
3.2 Observation Equipment
Magnifying glass, stereoscopic microscopes, video microscopes, telescopes and the like.
3.3 capture device
Camera and so on.
3.4 aids
Ultrasonic cleaning machines, cable clamp, brush and so on.
4 Check the contents
4.1 Transmission Line
4.1.1 In the whole area within the fire line burning case examination to determine the location and number of burning.
4.1.2 Check the fuse of the electrical circuit area as follows fuse at the location and number.
--- Check the fuse at a single or multiple fuse, fuse shall identify multiple source-side end of the first breakpoint to breakpoint number;
--- Check the metal on the ground drip, splash marks and traces of the distribution area;
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