Wire trolleys, movable partition systems including such wire trolleys, and related methods

A movable partition system, comprising:

• a track;
• a movable partition suspended from and movable along the track by panel rollers located in at least a first channel of the track, the movable partition comprising at least two sheets of panels extending at least substantially parallel to one another and laterally distanced from one another to define an interior space between the at least two sheets of panels;
• at least one wire extending in the interior space;
• and
• at least one wire trolley located in the interior space between a first end and a second, opposing end of the movable partition, the at least one wire trolley comprising:
• at least one roller in rolling engagement with the track in a second, different channel of the track;
• and
• a wire-supporting member at least partially supporting the at least one wire, the at least one wire being inserted through the wire-supporting member,
• wherein the only electrical component supported by the at least one wire trolley comprises the at least one wire.