A method of installing elongate bodies in a building includes the steps of providing a blocking body having one or more openings; blocking a hole in a support structure of a building with the blocking body, the hole passing through the support structure; and inserting at least one elongate body through at least one of the one or more openings in the blocking body.

An electrical gang box adapted for use with drivers is disclosed. The electrical gang box includes a main compartment with a front opening sized and adapted to accept an electrical control and structure around the front opening to secure the electrical control within the front opening and within the main compartment. The electrical gang box also includes a lower compartment that extends below the main compartment, is set back from the front of the main compartment and is open to the main compartment along an upper portion. The gang box may also include one or more pairs of rails disposed on opposite interior walls. In such cases, a divider panel is sized to slide into and extend between the rails to divide the gang box. Multiple-gang boxes with these features are also disclosed.

An electrical gang box adapted for use with drivers is disclosed. The electrical gang box includes a main compartment with a front opening sized and adapted to accept an electrical control and structure around the front opening to secure the electrical control within the front opening and within the main compartment. The electrical gang box also includes a lower compartment that extends below the main compartment, is set back from the front of the main compartment and is open to the main compartment along an upper portion. The gang box may also include one or more pairs of rails disposed on opposite interior walls. In such cases, a divider panel is sized to slide into and extend between the rails to divide the junction box. Multiple-gang boxes with these features are also disclosed.

A through-wall generator outlet and receptacle kit may include a receptacle panel with a plurality of outlets configured for use on an interior side of a wall. A generator outlet box may be configured for use on an exterior side of the wall. A conduit stub, installed within a cavity in the wall, may be used to join the receptacle panel to the generator outlet box.