Tests on electric and optical fibre cables under fire conditions—Part 11:Test for vertical flame propagation for a single insulated wire or cable—Apparatus
Tests on electric and optical fibre cables under fire conditions — Part 11: Test for vertical flame propagation for a single insulated wire or cable — Apparatus
1 Scope
This document specifies the test apparatus for testing the resistance to vertical flame propagation for a single vertical electrical insulated conductor or cable, or optical fibre cable, under fire conditions.
The test method, together with an informative annex of recommended requirements for performance, is given in IEC 60332-1-2.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC 60695-11-2 Fire hazard testing — Part 11-2: Test flames — 1 kW nominal pre-mixedflame — Apparatus, confirmatory test arrangement and guidance
Note: GB/T 5169.14-2017 Fire hazard testing for electric and electronic products — Part 14: Test flames — 1 kW flame — Apparatus and confirmational test method (IEC 60695-11-2:2013, IDT)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
Ignition source
source of energy that initiates combustion
[Source; ISO 13943; 2017, 3.219]
4 Test apparatus
4.1 Components
The test apparatus shall comprise the following:
a) a metal enclosure (4.2);
b) an ignition source (4.3);
c) a suitable chamber (4.4).
4.2 Metal enclosure
A metal enclosure (1,200+25) mm high, (300+25) mm wide and (450+25) mm deep with open front and closed top and bottom, (see Figure 1 ), shall be used, in order to protect the test sample from draughts. It shall be constructed of rigid sheet metal.
Foreword i Introduction iii 1 Scope 2 Normative references 3 Terms and definitions 4 Test apparatus Bibliography
电缆和光缆在火焰条件下的燃烧试验 第11部分:单根绝缘电线电缆 火焰垂直蔓延试验 试验装置 Tests on electric and optical fibre cables under fire conditions— Part 11:Test for vertical flame propagation for a single insulated wire or cable— Apparatus (IEC 60332-1-1:2015, Tests on electric and optical fibre cables under fire conditions—Part 1-1:Test for vertical flame propagation for a single insulated wire or cable— Apparatus, IDT)
标引序号说明: 1——正面敞开(其余各面封闭)。 图1 试验装置——金属罩 参考文献 [1] ISO 13943:2017 Fire safety—Vocabulary [2] IEC 60332-1-2 Tests on electric and optical fibre cables under fire conditions—Part 1-2;Test for vertical flame propagation for a single insulated wire or cable—Procedure for 1 kW pre-mixed flame [3] IEC 60695-4 Fire hazard testing—Part 4:Terminology concerning fire tests [4] IEC Guide 104 The preparation of safety publications and the use of basic safety publica-tions and group safety publications