UL 1581 Section 1060 (FT1) / Section 1061 (Cable Flame) / Section 1080 (VW-1)

Test set-up
The cable is fixed vertically and fitted with a paper indicator flag (P, 10 x 20 mm). A Bunsen burner, fixed at an angle of 20° to the vertical, is used to apply the flame.

Flame temperature
Determined by the specified setting of the Bunsen burner flame.

Test duration
Section 1060: 5 cycles of flame applied for 15 seconds
with a break of 15 seconds
Section 1061: 3 cycles of flame applied for 60 seconds,
with a break of 30 seconds
Section 1080: 5 cycles of flame applied for 15 seconds,
with a break of 30 seconds and a maximum break
of 60 seconds

Compliance criterion
The sample may continue to burn for a maximum of 60 seconds after the flame is removed and the paper indicator flag (P) can be max. 25 % car-bonized. Material dripping off must not ignite the cotton wool (B).

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