WIREMOLD / INFLOOR SYSTEMS WALKERDUCT® SYSTEMS Walkerduct Junction Boxes Ordering Information Purpose: Junction boxes are used at intersection of duct runs: 1. To separate the various raceways as they cross each other. 2. To furnish access to the system for pulling and splicing of wires. 3. To provide means of connecting the system to distribution closets with duct or conduit home runs. Construction Features: Openings are provided in the four sides to receive from one to five ducts, which are secured by grounding clips. Corner openings provide conduit feeds.The interiors of the boxes have partitions which completely separate each duct and at the same time form a continuous path through the box in both directions. No partitions are needed for single run boxes. Most partitions are removable and their orientation can be changed to correct installation errors. For precise leveling after the pour, cover plates can be adjusted upward 1/2 " (12.7mm) with the recessed screws in the cover plate. Standard boxes are designed for use with duct having 1 1/2 " (38mm) high presets. Boxes with higher side rails in 1/2 " (12.7mm) increments can be furnished for systems requiring higher presets. Cover plates are 1/4 " (6.4mm) thick. Junction boxes are provided with nonmetallic corner inserts to provide controlled cable bend radius around the tunneling Cable Bend Control Inserts inside the box (see diagram). They should be snapped into place before wire placement. Brass or stainless steel holders for tile and carpet can be used on top of the round cover plates. Square junction boxes include aluminum trim for carpet or tile applications. Heavy duty junction boxes are used where heavy loads will be rolled over or placed on the system. These are constructed with a 3/8 " (9.5mm) cover plate and additional support studs. Up to 5/8 " (15.9mm) concrete recommended over presets for heavy loads. Minimum heavy duty junction box height is 1 1/2 " (38mm). Walkerduct Junction Boxes Ordering Information This chart provides the information needed to select the correct suffix for all of the Junction Box Catalog Numbers listed in this section. SUFFIX FOR JUNCTION BOXES* 1 1/2 2 2 1/2 3 3 1/2 4 4 1/2 5 5 1/2 6 1 1/2 " 2 " 2 1/2 " 3 " 3 1/2 " 4 " 4 1/2 " 5 " 5 1/2 " 6 " DEPTH OF CONCRETE OVER DUCT (38mm) min. to 2 " (51mm) min. to 2 1/2 " (64mm) min. to 3 " (76mm) min. to 3 1/2 " (89mm) min. to 4 " (102mm) min. to 4 1/2 " (114mm) min. to 5 " (127mm) min. to 5 1/2 " (140mm) min. to 6 " (152mm) min. to 6 1/2 " (51mm) max. (62mm) max. (76mm) max. (89mm) max. (102mm) max. (114mm) max. (127mm) max. (140mm) max. (152mm) max. (165mm) max. *Other junction box heights are available. Consult factory for availability. Aluminum Trim Square Cover Plate Round Cover Plate WWW.LEGRAND.US/WIREMOLD 679 INFLOOR SYSTEMS INDEXhttp://WWW.LEGRAND.US/WIREMOLD