Cable trays are designed to accommodate changes in direction while maintaining cable integrity. The following are typical angle parameters used in cable tray installations:
| Bend Type | Standard Angle | Notes |
|---|---|---|
| Horizontal Elbow | 30°, 45°, 60°, 90° | Used to change direction in the horizontal plane; 45° elbows are most common for smooth cable routing |
| Vertical Elbow (Up/Down) | 30°, 45°, 60°, 90° | Allows vertical transitions; gradual bends reduce stress on cables |
| Tee | 90° | For branching cable trays; ensure proper support at junctions |
| Cross | 90° | Used for intersecting trays; maintain clearance for cable installation |
| Reducer | N/A | Connects different tray widths; angle depends on width difference and slope |
| Slope/Incline | 0°–15° | Recommended for drainage or routing over obstacles; avoid steep slopes to prevent cable sag |
Conductors used in cable tray must be specified in Table 19 of the CEC and, except where permitted under paragraphs [12-2202(2)]
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