A cable feeder for feeding cables through a structure according to some embodiments of the disclosure includes a housing having a drive roller attached thereto, and idler roller assembly attached to the housing. In an embodiment, the idler roller assembly can be released from the housing to allow cable to be released from the cable feeder. In an embodiment, the housing is formed from upper and lower housings, and the position of the lower housing and idler roller assembly can be adjusted relative to the upper housing and drive roller.