Pre-fabricated junctions (Ø.120) have a grid pattern of 2" x 2" and are available in standard widths of 2", 4", 6", 8" and 12" with a depth/height of 2" or 4". Junctions/intersections lengths (L) are standard: 12” wide or less come 2’ in length, greater then 12” wide are 3’ in length. See finish chart for colors; safety yellow is standard. Custom colors are available. Junctions/intersections include interconnecting hardware. CM15 is not UL classified.Installation:PRO-10's wire grid cable tray systems require only one tool and very few accessory items for installation. Pre-fabricated junctions/intersections reduce man-hours by eliminating cutting and fabrication in the field. With center hung trapeze, wall or floor mount accessories, PRO-10 is prepared to handle the toughest installations.Customer Service:PRO-10's cable trays and accessories are available for quick delivery from stock. PRO-10 is made in the U.S.A., shortening lead and delivery time. For special applications, our customer service employees are eager to help in design and product expediting. Warranty one year for replacement parts.Features and Benefits:* Requires NO bending or cutting; ready–made “4-way”, “T” and “L” shaped junctions.* Conforms to the National Electric Code, UL Classified.* Acts as a continuous ground conductor; no grounding splices.* Adapts to difficult architectural designs to accommodate changes in direction and elevation of cable runs.* Cuts 50% or more off installation time.* Provides strength, rigidity without additional hardware; has smooth edges.* Manufactured in an array of protective, powder-coated, colored finishes to minimize corrosion.