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JB/T 4258-1999 English PDF

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JB/T 4258-1999: Explosion-proof terminal box

JB/T 4258: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 4258-1999English249 Add to Cart 3 days [Need to translate] Explosion-proof terminal box   JB/T 4258-1999
JB 4258-1986EnglishRFQ ASK 3 days [Need to translate] (Chinese Industry Standard) Obsolete JB 4258-1986

PDF similar to JB/T 4258-1999


Standard similar to JB/T 4258-1999

GB/T 3836.8   GB/T 3836.4   GB/T 3836.9   JB/T 8739   JB/T 6749   JB/T 4002   

Basic data

Standard ID JB/T 4258-1999 (JB/T4258-1999)
Description (Translated English) Explosion-proof terminal box
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard K35
Word Count Estimation 7,755
Date of Issue 1999-08-06
Date of Implementation 2000-01-01
Older Standard (superseded by this standard) JB 4258-1986
Quoted Standard GB/T 2423.4-1993; GB 3836.1-1983; GB 3836.2-1983; GB/T 4942.2-1993; GB 9969.1-1998; GB/T 14048.1-1993; JB/T 3139-1991
Summary This standard specifies: flameproof junction box (hereinafter referred to as junction boxes) product classification, requirements, test methods, inspection rules signs, instructions, packaging, transport and storage content. This standard applies to: junction box the design, manufacture and testing of the junction box for the rated working voltage up to 1140V, rated current up to 500A-plant and coal mine explosive atmospheres, as wires, cables, wiring purposes.

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Question 5: Should I purchase the latest version JB/T 4258-1999?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 4258-1999 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.