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JT/T 939.2-2025 English PDF

US$479.00 ยท In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JT/T 939.2-2025: (Highway LED lighting - Part 2: Highway tunnel LED lighting fixtures)
Status: Valid

JT/T 939.2: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JT/T 939.2-2025English479 Add to Cart 4 days [Need to translate] (Highway LED lighting - Part 2: Highway tunnel LED lighting fixtures) Valid JT/T 939.2-2025
JT/T 939.2-2014English499 Add to Cart 4 days [Need to translate] LED lighting luminaires for highway. Part 2: Highway tunnel LED lighting luminaires Valid JT/T 939.2-2014

Basic data

Standard ID JT/T 939.2-2025 (JT/T939.2-2025)
Description (Translated English) (Highway LED lighting - Part 2: Highway tunnel LED lighting fixtures)
Sector / Industry Highway & Transportation Industry Standard (Recommended)
Word Count Estimation 21,233
Date of Issue 2025-03-24
Date of Implementation 2025-07-01
Issuing agency(ies) Ministry of Transport
Summary This standard specifies the composition, classification and model, technical requirements, test methods, inspection rules, and requirements for marking, packaging, transportation and storage of light-emitting diode (LED) lighting fixtures for highway tunnels. This standard applies to the production, inspection and use of LED lighting fixtures for highway tunnels.

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Question 5: Should I purchase the latest version JT/T 939.2-2025?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JT/T 939.2-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

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