Table
CSA Cable Tray Load/Span Classes
CSA Cable Tray Load/Span Classes lookup table with assumptions and boundary notes.
Scope
Cable tray catalogue planning only. It does not select tray series, support spacing, loading, grounding, bonding, or installation method.
Lookup table
Decode common cable tray load/span class labels for catalogue review.
Scroll sideways to keep row labels aligned with hidden columns.
| Class label | Span lookup (m) | Load lookup | Planning use | Boundary |
|---|---|---|---|---|
| Class A | 2.4 | light loading lookup | light duty catalogue comparison | catalogue label planning only; tray series and manufacturer loading tables govern field application |
| Class B | 3 | medium loading lookup | medium duty catalogue comparison | catalogue label planning only; tray series and manufacturer loading tables govern field application |
| Class C | 3.7 | light duty long-span lookup | light duty long-span catalogue comparison | catalogue label planning only; tray series and manufacturer loading tables govern field application |
| Class D | 4.9 | heavier loading lookup | heavier duty catalogue comparison | catalogue label planning only; tray series and manufacturer loading tables govern field application |
| Class E | 6.1 | long-span loading lookup | long-span catalogue comparison | catalogue label planning only; tray series and manufacturer loading tables govern field application |
Notes
- Check table values for preliminary lookup and arithmetic checks only.
- Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.