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GB/T 12666.2-2008 English PDF

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GB/T 12666.2-2008: Test method on a single wire or cable under fire conditions -- Part 2: Horizontal specimen flame test
Status: Valid

GB/T 12666.2: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 12666.2-2008English149 Add to Cart 2 days [Need to translate] Test method on a single wire or cable under fire conditions -- Part 2: Horizontal specimen flame test Valid GB/T 12666.2-2008
GB/T 12666.2-1990English199 Add to Cart 2 days [Need to translate] Test method on electric wires or cables under fire conditions--Part 2: Test on a single vertical insulated wire or cable Obsolete GB/T 12666.2-1990

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Basic data

Standard ID GB/T 12666.2-2008 (GB/T12666.2-2008)
Description (Translated English) Test method on a single wire or cable under fire conditions -- Part 2: Horizontal specimen flame test
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K13
Classification of International Standard 29.060.20
Word Count Estimation 5,528
Date of Issue 2008-06-30
Date of Implementation 2009-04-01
Older Standard (superseded by this standard) GB/T 12666.1-1990; GB/T 12666.3-1990
Quoted Standard GB/Z 5169.15-2001
Regulation (derived from) Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
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 applies to test a single wire cables in horizontal mode with the provisions of direct combustion flame retardant properties. GB/T 12666 The provisions of this part of the single wire and cable horizontal burning test equipment and methods, and gives the recommended performance requirements.

GB/T 12666.2-2008: Test method on a single wire or cable under fire conditions -- Part 2: Horizontal specimen flame test


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Test method on a single wire or cable under fire conditions Part 2. Horizontal specimen flame test ICS 29.060.20 K13 National Standards of People's Republic of China Replacing GB/T 12666.1-1990, GB/T 12666.3-1990 Single wire and cable fire test method Part 2. horizontal burning test Posted 2008-06-30 2009-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 12666 "for a single insulated wire and cable fire test method" is divided into three parts. --- Part 1. Vertical burning test; --- Part 2. Horizontal burning test; --- Part 3. tilt combustion test. This section GB/T Part of 212,666. This Part replaces GB/T 12666.3-1990 "burning wire and cable test methods - Part 3 single wire or cable horizontal burning test Test methods "and GB/T 12666.1-1990" burning wire and cable test methods - Part 1 General "part of the content included in this section. This part of GB/T 12666.1 and GB/T 12666.3-1990 compared to the main changes are as follows. --- Sample length was changed to "about 250mm" (GB/T 12666.3-1990 in Chapter 3, Section 3 of this edition); --- Ignition source was changed to "adopt the provisions of GB /Z5169.15-2001 blowtorch" (GB/T 12666.1-1990 Table 2 Excerpts 5.1); --- Test environment was changed to "at least a sealed test chamber volume of 4m3" (GB/T 12666.3-1990 2.2, Excerpts 5.3); --- Blowtorch and horizontal angle changed to "20 °" (GB/T 12666.3-1990 4.1, this version 5.2); --- Blowtorch sample surface distance and revised as "40mm" (GB/T 12666.3-1990 4.1, this version 5.2); --- Flame modification for the fire as "flame a total height of (125 ± 10) mm, blue inner cone height (40 ± 2) mm" (GB/T 12666.1- Table 2, Chapter 6 of this edition 1990); --- Modify the time for the fire "30s" (GB/T 12666.3-1990 4.1, Chapter 6 of this edition); --- Results to determine the char length was changed to "no more than 100mm" (GB/T 12666.3-1990 in Chapter 5, Chapter 6 of this edition); --- Increased during the test burn residue Litter assessment (see Chapter 7). This part is proposed by the China Electrical Equipment Industrial Association. This part of the National Standardization Technical Committee Wire and Cable (SAC/TC213) centralized. This part of the unit responsible for drafting. Shanghai Electric Cable Research Institute. Participated in the drafting of this section. Hualing Cable Group Co., Ltd., Shanghai Nanyang Electric Wire Co., Ltd., Yangzhou Shuguang Cable Co. Division Ya'alon Shanghai Industrial Holdings Ltd., Baosheng Science and Technology Innovation Co., Ltd., Tianjin Jinshan Electric Wire & Cable Co., Ltd. The main drafters of this section. Liu Jing Ping, Huguang Zheng, Qu Wei, Liang Guohua, Lubang Xiu, Tangchong Jian, Zheng Guojun. This part of the standard replaces the previous editions are. --- GB/T 12666.1-1990, GB/T 12666.3-1990. Single wire and cable fire test method Part 2. horizontal burning test

1 Scope

This section GB/T 12666 apply to flame test single wire or cable in a horizontal state by a predetermined direct flame combustion performance. GB/T 12666 provisions of this part of the single wire or cable horizontal burning test equipment and methods, and gives the recommended performance requirements.

2 Normative references

The following documents contain provisions which, through reference GB/T 12666 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB /Z5169.15-2001 Fire hazard testing for electric and electronic products Test methods 500W nominal test flame and guidance (IEC /T R260695-2-4/2.1994, IDT)

3 Sample

Test specimens from the finished wire and cable or a cord, about 250mm.

4 sample processing

Before testing, samples, devices and ambient air should reach thermal equilibrium (23.0 ± 5.0) ℃ at temperature, ambient air temperature throughout the test period It should be stabilized at (23.0 ± 5.0) ℃.

5 Test Equipment

5.1 ignition source Ignition source shall comply with the provisions of GB 4.2.1 /Z5169.15-2001 laboratory burner, in accordance with GB /Z5169.15-2001 Approved Method 4.4 provides for burner calibration. Arbitration test, the test should be used for technical grade methane gas (purity of at least 98.0%), the nominal calorific value 37.3MJ/m3. Allowed to make Other levels of methane, natural gas, coal gas or propane, regardless of the circumstances, should be able to provide calibration gas flame. Blowtorch flame should be calibrated at least once every two weeks. Such as the use of arbitration is not a test of technical grade methane, a day before the test to deal with spray Lamp flame calibration. When filling gas tank or any gas exchange device is changed, calibration response blowtorch flame. 5.2 Fixed burner base with a wedge Fixed torch torch lamp base should be able to go with a wedge from a vertical position to a vertical position and angle of 20 °, while the tube opening plane Cone touches the sample surface distance between the points should be 40mm for the fire position within the intersection and the longitudinal axis of the test flame tube of blue. blowtorch In time for the fire position, the longitudinal axis of the burner tube should be in the sample perpendicular to the longitudinal axis at the same time within the vertical plane through the midpoint of the sample, the test flame Blue cone just touches the center line of the front surface of the specimen midpoint. 5.3 LABORATORY Laboratory should be enclosed and equipped with airtight glass window frames, doors or other means to operate the equipment and observation. Each test chamber straight Wire size should be at least 610mm or more, and the test chamber should have a volume of at least 4m3, including the volume of the exhaust passage, an exhaust passage

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