1、KS C IEC 60331-25KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 25: KS C IEC 60331-25 : 2003 (2008 ) 2003 6 12 http:/www.kats.go.kr : ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2003 6 12 : 2008 10 24 2008-0696 : ( 503-7949) . (http:/www.kats.go.kr) 10 5 , ICS 13.220.40; 29.020; 33.180.10 KS 25: C IEC 60
2、331 25: 2002(2008 ) Tests for electric cables under fire conditionsCircuit integrity Part 25: Procedures and requirements Optical fiber cables 1999 1 IEC 60331 25 Tests for electric cables under fire conditionsCircuit integrity Part 25: Procedures and requirements Optical fiber cables , . 1. KS C IE
3、C 60331 , . . , , , . 2. KS C IEC 60331 , . . KS C IEC 60331 . . IEC ISO . KS C IEC 60331 11 11: 750 IEC 60269 3 1 3 1: ( ) 1 4 IEC 104 3. KS C IEC 60331 . 3.1 (circuit Integrity) 4. ( 5 m ) . C IEC 60331 25: 2003 2 . 5. ( ) . 6. 6.1 KS C IEC 60331 11 . 6.2 x y (KS C IEC 60331 11 ). 6.3 ( ) IEC 6079
4、3 1 4, C10 . 6.4 (KS C IEC 60331 11 ). . 6.5 7.1 , . 15 . 15 . 7. 7.1 . 90 . 7.2 6. . . 8. , 2 . 2 . 9. . a) b) c) d) e) f) . KS C IEC 6033121(90) 90 . 25: 135513 7017 (02)60094567 (02)600948878 http:/ KS C IEC 60331-25: 2003KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Tests for electric cables under fire conditionsCircuit integrity Part 25:Procedures and requirementsOptical fiber cables ICS 13.220.40; 29.020; 33.180.10 Korean Agency for Technology and Standards http:/www.kats.go.kr