Flame tests for electrical cables UL 1581 section 1100 (FT2 / FH / Horizontal Flame)
Description | UL 1581, section 1100 - reference to standard UL 2556, section 9.1 (FT2 / FH / Horizontal Flame) |
Length of specimen | 250 - 300 mm |
Burner | Bunsen burner with additional air supply (Tirril gas burner) Ø 9.5 mm |
Test temperature | 500 W flame |
Position of specimen | horizontal |
Position of flame | 20° to vertical specimen |
Duration of flaming | 30 seconds |
Conditions | Sample shall not be damaged for more than 100 mm. Material dropping must not ignite the cotton (B) lying under the specimen. |