WCAMx Locos, as we all know, are duel voltage DC/AC Type Locomotives. They can run under 1500 V DC Traction as well as 25 KV AC Traction. One Panto is to be used in DC Mode and Second Panto is to be used in AC Mode. The internal control panel, operations, notches, dash board (or similar relevant details) of WCAM2/2P/3 / WCAG1 locos is different than that of WAMx/WAPx Locos (single phase AC locos). Hence, as per rules, WCAMx locos are technically different than that of WAMx/WAPx locos and drivers will need formal training on the same before they can drive these locos.