Flame Tests for Electrical Cables
UL 2556, Section 9.6 Method 2-FT4
| Description | UL 2556, § 9.6 Method 2-FT4 |
| Length of specimen | 96.06 in. (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 flame | 20 minutes |
| Conditions | The charred distance is not allowed to exceed 1.5 meters from the bottom edge of the burner. |
| UL 2556, Section 9.6 Method 2-FT4 Test Setup |
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