Table
CSA Cable Tray Load/Span Classes
CSA Cable Tray Load/Span Classes reference with assumptions and boundary notes.
Reference boundary
Cable tray catalogue reference only. It does not select tray series, support spacing, loading, grounding, bonding, or installation method.
Reference table
Decode common cable tray load/span class labels for catalogue review.
| Class label | Span reference (m) | Load reference | Reference use | Boundary |
|---|---|---|---|---|
| Class A | 2.4 | light loading reference | light duty catalogue comparison | catalogue label reference only; tray series and manufacturer loading tables govern actual use |
| Class B | 3 | medium loading reference | medium duty catalogue comparison | catalogue label reference only; tray series and manufacturer loading tables govern actual use |
| Class C | 3.7 | light duty long-span reference | light duty long-span catalogue comparison | catalogue label reference only; tray series and manufacturer loading tables govern actual use |
| Class D | 4.9 | heavier loading reference | heavier duty catalogue comparison | catalogue label reference only; tray series and manufacturer loading tables govern actual use |
| Class E | 6.1 | long-span loading reference | long-span catalogue comparison | catalogue label reference only; tray series and manufacturer loading tables govern actual use |
Use notes
- Use this table for preliminary reference and arithmetic checks only.
- Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.