Flame tests for electrical cables UL 2556, § 9.6 Method 2-FT4
Description | UL 2556, § 9.6 Method 2-FT4 |
Length of specimen | 2440 mm |
Burner | Flat burner (Ribbon burner) |
Test temperature | 20,5 kW |
Position of specimen | vertical in intervals of half the cable diameter |
Position of flame | horizontal |
Duration of flaming | 20 minutes |
Conditions | the charred distance is not allowed to exceed 1,5 m from the bottom edge of the burner |