T/CSTE 0109-2021 Active Group standards

T/CSTE 0109-2021 Leader Standard Evaluation Requirements for Flexible Fire Resistant Cables

Publish Date: 2021-11-01 Implement Date: 2021-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CSTE 0109-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Cables and their accessories

ICS Name: Cable

Publish Date: 2021-11-01

Implement Date: 2021-11-01

Scope

Scope: This document specifies the terms and definitions, evaluation index system, evaluation methods, and grade classification for the evaluation of the "Leader" product standard for flexible fire-resistant cables. This document is applicable to the evaluation of enterprise standards for the production of insulated inorganic mineral insulated flexible fire-resistant cables with a rated voltage of 0.6/1kV and below. Enterprises can refer to it when formulating enterprise standards, and relevant institutions can refer to it when formulating evaluation schemes for the "Leader" product standard. Main technical content: 4.2 Classification of evaluation indicators 4.2.1 The indicators included in the "Leader" standard for flexible fire-resistant cables are divided into basic indicators, core indicators, and innovative indicators. 4.2.2 Basic indicators include the DC resistance of the conductor, the average thickness of the insulation, the average thickness of the metal sheath, the thickness of the non-metallic outer sheath, and the related requirements involved in the bending test. 4.2.3 Core indicators include fire resistance, insulation resistance at ambient temperature, and the level of combustion performance. Core indicators are divided into three grades, including advanced level, equivalent to the 5-star level in the enterprise standard ranking list; average level, equivalent to the 4-star level in the enterprise standard ranking list; and baseline level, equivalent to the 3-star level in the enterprise standard ranking list. 4.2.4 Innovative indicators include the level of combustion droplets/particles, the level of smoke toxicity, and the level of corrosiveness. Innovative indicators are divided into average level and advanced level, where the advanced level is equivalent to the 5-star level in the enterprise standard ranking list, and the average level is equivalent to the 4-star level in the enterprise standard ranking list. It is encouraged to add relevant in