Cable Tray Fittings Length Table

Standard cable tray fittings typically come in lengths ranging from 300 mm to 1200 mm, depending on type and application.Standard Fitting LengthsCable tray fittings are designed to match the straight tray sections and maintain structural and electrical continuity. Typical lengths for common fittings are:Horizontal Elbows (90° or 45°): 300 mm – 600 mmVertical Elbows (Inside/Outside Riser): 300 mm – 600 mmHorizontal Tees: 600 mm – 1200 mmReducers (Width Transitions): 300 mm – 600 mmOffsets: 300 mm – 600 mmAdjustable Fittings: 300 mm – 1200 mm These lengths are nominal and may vary slightly depending on manufacturer and tray type (ladder, perforated, channel, or wire mesh) to ensure proper alignment and support for cables .Considerations for SelectionTray Type: Ladder trays often require longer fittings for heavy cable loads, while channel trays use shorter fittings for compact runs .Material Thickness: Heavier gauge trays may have slightly longer or reinforced fittings to maintain load capacity .Installation Environment: Ceiling-mounted or wall-mounted trays may require adjustable or custom-length fittings to navigate obstacles .Compatibility: Ensure fittings match the width and height of the straight tray sections to maintain NEC compliance and proper cable fill .SummaryWhen planning a cable tray system, standard fitting lengths generally range from 300 mm to 1200 mm, with specific lengths chosen based on the type of fitting, tray design, and installation requirements. Always consult manufacturer catalogs for exact dimensions and compatibility to ensure safe and code-compliant installations .