Vw 1 Cable Standard

It is a standardized test to measure how the outer jacket responds when exposed to a flame in a vertical orientation hence the abbreviation vw vertical wire.

Vw 1 cable standard.

This cable complies with the vw 1 flame test requirements in ansi ul 1581. The flame is applied for 15 seconds and repeated 4 more cycles after each time when the wire stops burning for a total of 5 cycles. Vw 1 ul1581 standard for vertical flame test this is a small scale test of the flammability of insulating materials. Partol car carburetor fit vw beetles super beetles 1971 1979 dual port 1600cc 34 pict 3 vw volkswagen air cooled type 1 engines automatic choke 98 1289 b 113129031k.

The test is performed with a 24 wire and a tirrill burner. The test is also called the vertical wire vw test because it tests the materials ability to resist fire along a vertically suspended wire. Cables pass ieee 1202 csa ft4 70 000 btu hr cable tray flame test 1 0 and larger. Cvilux e208903 3 awm 20706 105c 60v vw 1 laptop ribbon cable 10 pin 14cm 4jpx4.

The vw 1 flame test also known as the vertical wire flame test evaluates a wire cable s ability to resist fire while vertically suspended. Ul vw 1 vertical flame testing. Ul 1581 vw 1 this was the first flame test developed for studying how flames spread on wire and cable. The csa ft1 cable standard and the cables are designed primarily for the north american and export markets.

Yet another version of ul1581 the only difference is that the btu value is 210 000 instead of 70 000 and the cable spacing increases. All sizes carry the vw 1 flame test designation. To pass the vw 1 test the wire must not burn longer than 60 seconds. Ul listed as sunlight resistant 1 0 awg and larger black only.

Two clamps hold the. Ul listed for ct use 1 0 and larger. Below is an overview of the most widely used north american fire test which is called vw 1 ul 1581. Conforms to icea s 95 658 nema wc70 utilizing column a insulation thicknesses.

Ul vw 1 is the american standard for cables and wires also known as ul 1581 and determines flame retardancy. It is conducted by using a single cable specimen portioned in a vertical position in a three sided metal enclosure that has a layer of untreated surgical cotton on the bottom. 3 1 out of 5 stars 2.