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JT/T 939.4-2020LED lighting luminaires for highway - Part 4: LED lighting luminaires on bridge guardrail (English PDF)

公路LED照明灯具第4部分：桥梁护栏LED照明灯具

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Issued by

Ministry of Transport

Level / Type

National · Recommended

Issue date

October 30, 2020

Implementation date

February 1, 2021

Scope

JT/T 939.4-2020 is the English-translated version of 公路LED照明灯具第4部分：桥梁护栏LED照明灯具.

JT/T 939.4-2020 — This standard specifies the composition, classification and model, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements of LED lighting fixtures for bridge guardrails.

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Document preview — JT/T 939.4-2020

National Standard of the People's Republic of China

ICS: 93.080.30
Classification: R 87
Replacing: NY/T 393-2013

Issued by: Ministry of Transport

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the composition, classification and model, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements of LED lighting fixtures for bridge guardrails. This standard applies to the production, inspection and use of bridge guardrail lighting fixtures using LEDs as the light source.

Document data

International classification (ICS): 93.080.30.

Chinese classification (CCS): R87.

Estimated length of the Chinese original: 15,151 words.

Supersedes the earlier edition NY/T 393-2013.

Standards quoted by this document

GB/T 191; GB/T 4208; GB/T 7922; GB/T 9468; JT/T 939.1

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 10 pages — is available in the English PDF.

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