Revision pages have been issued for the Standard for Communications Cables, UL 444, to incorporate the following:

• Addition of a size determination of copper clad conductors.

• Revision to the air-gap coax acceptability.

• Addition of requirements for metallic messengers.

• Revision to dielectric testing on communication cables.

• Editorial corrections.

• Clarification of size requirements of copper-clad aluminum conductors.

• Application of requirements in 5.1.2.