CFR › Title 46 › Part 111 › §111.60-646 CFR §111.60-6Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkEach fiber optic cable must—(a)Be constructed to pass the flammability test contained in IEEE 1202, test FV-2/VW-1 of UL 2556, or IEC 60332-3-22:2018 (all three standards incorporated by reference; see 46 CFR 110.10-1); or(b)Be installed in accordance with § 111.60-2.