This answer is based on the 2017 NEC. A. Insulated conductors typically used in dry and damp locations include Types THHN, THHW, THWN, or THWN‑2. Other conductor insulations that can be used are Types ...
The NEC contains 12 articles (320 through 340) covering types of cables. The cable types covered include: armored cable (Type AC); flat cable assemblies (Type FC); flat conductor cable (Type FCC); ...
Halogens, specifically chlorine and bromine, are suspected of posing serious dangers to human health and the environment when used as a brominated flame retardant (BFR) or in polyvinyl chloride (PVC).