BS EN IEC 60332-3-22 covers category A for methods of test for the assessment of vertical flame spread of vertically mounted bunched wires or cables, electrical or optical, under defined conditions.
BS EN IEC 60332-3-22 relates to cables installed on the test ladder to achieve a nominal total volume of non-metallic material of 7 l/m of a test sample. The flame application time is 40 min. The method of mounting uses the front of the ladder, a standard or wide ladder being used for cables having a conductor cross-section greater than 35 mm2 according to the number of tests pieces required, and a standard ladder for conductor cross-sections 35 mm2 and smaller. The category is intended for typical use where high volumes of non-metallic material are required to be evaluated.
The test is intended for type approval testing. The requirements for the selection of cables for testing are given in BS EN IEC 60332-3-22. The flame spread is measured as the extent of damage to the cable sample. This procedure can be used to demonstrate the cable’s ability to limit flame spread.
Note1: BS EN IEC 60332-3-22 covers category A for methods of test for the assessment of vertical flame spread of vertically mounted bunched wires or cables, electrical or optical, under defined conditions.
Note2: For the purposes of BS EN IEC 60332-3-22 the term "electric wire or cable" covers all insulated metallic conductor cables used for the conveyance of energy or signals.
BS EN IEC 60332-3-22 on test for the vertical flame spread of vertically-mounted bunched wires or cables - category A is useful for:
Vertical flame test assesses the flame retardant properties on a single cable length. BS EN IEC 60332-3-22 provides essential information about the cable's fire properties and is therefore often used in product development contexts and process optimization.
It is important to verify quality rating while manufacturing cables BS EN IEC 60332-3-22 specifies methods of test for the vertical flame spread of vertically-mounted bunched wires or cables.
BS EN IEC 60332-3-22 provides requirements for the selection of cables for testing. The flame spread is measured as the extent of damage to the cable sample. This procedure can be used to demonstrate the cable’s ability to limit flame spread.
BS EN IEC 60332-3-22 specifies methods of test for the vertical flame spread of vertically-mounted bunched wires or cables for higher safety, reliability, stability in voltage, less cost in installation, maintenance and operation of wires or cables.
EN 60076-18:2012
EN 60332-3-22 Ed 1.0 /A2
EN IEC 60332-3-22:2018
IEC 60332-3-22:2018
IEC 60332-3-22:2018