IEC 60331-21:1999
Tests for electric cables under fire conditions - Circuit integrity - Part 21: Procedures and requirements - Cables of rated voltage up to and including 0,6/1,0 kV
- Standard No.
- IEC 60331-21:1999
- Release Date
- 1999
- Published By
- International Electrotechnical Commission (IEC)
- Latest
- IEC 60331-21:1999
- Replace
- IEC 20C/82/FDIS:1998 IEC 60331:1970
- Scope
- This part of IEC 60331 specifies the test procedure and gives the performance requirement, including a recommended flame application time, for cables of rated voltage up to and including 0,6/1,0 kV required to maintain circuit integrity when subjected to fire under specified conditions. It describes the means of sample preparation, continuity checking arrangements, electrical testing procedure, method of burning the cables and gives requirements for evaluating test results. It is intended to cover low voltage power cables, and control cables with a rated voltage.
IEC 60331-21:1999 history
- 1999 IEC 60331-21:1999 Tests for electric cables under fire conditions - Circuit integrity - Part 21: Procedures and requirements - Cables of rated voltage up to and including 0,6/1,0 kV
