UL1533

A. Definition: semi-rigid PVC insulation, PVC outside the isolation of the wire

B. Rating: 80 ℃, the voltage is not required.

C. Conductor: 30-16AWG; single copper or copper.

D. Insulation:: SR-PVC insulation, the average minimum thickness of 0.23mm, any minimum thickness of 0.18mm.

E. Isolation: brading or spiraling

F Jacket: PVC coated, may have two layers outside (the same thickness); the average minimum thickness of 0.30mm, any minimum thickness of 0.25mm.

G. Burning test: can be tested by horizontal combustion.