Current Japanese standards for flammability tests on electric cables

Yuichi Nakagawa, Takeshi Komai

Research output: Contribution to journalArticlepeer-review


This paper outlines the flammability test methods and requirements for electric cables specified in some Japanese standards. Only two different methods of a small‐scale flame test as specified in Clause 28 of JIS C 3005 are applied to electric cables for general use, and whether or not the flammability test should be conducted and which method should be adopted depends on the type of cables, both of which are specified in each separate standard. Cables for electrical equipment of ships have to pass another small‐scale flame test as prescribed in Section 6.7 of JIS C 3410. A flame test method for flame‐retardant telecommunication cables has been introduced in JIS C 3521. This specifies a vertical open tray flame test on grouped cables, almost in accordance with IEEE Standard 383. In addition to the method for a vertical open tray flame test, one for a vertical closed duct flame test on grouped cables is also specified in a Japanese Cable Makers' Association Standard, i.e. JCS 366. Some flame‐retardance requirements for electric cables in Japan are listed and discussed.

Original languageEnglish
Pages (from-to)265-270
Number of pages6
JournalFire and Materials
Issue number6
Publication statusPublished - 1993 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Polymers and Plastics
  • Metals and Alloys


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