Jacket is matte black. NEC CM rated. Weight per 100 ft. Not recommended for use in long lengths as portable cable. The multipair cables are individually jacketed and shielded.
Pairs are colored blue and white.
The PVC jackets are numbered and color coded. An overall Beldfoil shield increases RF rejection under the grey PVC Jacket. 1.9 W1801A plenum 1pr 24 ga. 1.9 W1802A siamese 2pr.