In medium voltage cells,
AG COMPARTMENT, is the compartment where the signal lamps, buttons, protection relays, auxiliary relays, measurement devices and auxiliary equipment are installed according to the cell type.

MECHANISM COMPARTMENT, is the compartment where the mechanical drivings of circuit components used in the cell like load isolator, degasifier, circuit breaker and grounder and the mechanical lockings of the said with each other are conducted. In these compartments, locking mechanisms are manufactured in order to comply with all lockings required in Tedaş MYD to provide safety.