by David Benton
The hep limitations are the amp ratings of the hep cables between the locomotive and the cars, and between the cars. The amps in a electrical circuit are the same throughout the whole circuit, so every car would need to be upgraded.
Moderator worldwide railfan , Rail travel & trip reports
The only train trips I regret are the ones I didn't take.
The only train trips I regret are the ones I didn't take.