And you may both be ordering the same products from Southwire. Some transit system power cable applications use standard MV-90 products. Others are more specialized. Southwire products span the transit power range from MV cable to overhead trolley wire. Most electrical power distribution starts with medium-voltage cable.
Transit systems are no exception.
Shielded single-conductor and multiconductor cables operating at up to 35kV deliver basic power to subways, surface trains and trolley systems. Many of those distribution cables come right out of stock in Southwire Master Service Centers. Fire safety and flexibility are important When power goes underground in subway tunnels, requirements become more specialized. One of the first priorities is fire safety. They re one of the few constructions to have earned UL s LS rating.