Quick Cable Tray Calculator

    Fast containment sizing for up to 15 cables • Ideal for standard installations

    ✓ 8 simple parameters✓ Instant results✓ Fire-risk material screening✓ Conservative approach
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    Quick Parameters

    BS 7671:2018+A3:2024

    Simplified controls for fast calculations with built-in conservative safety margins

    Quick presets:

    User design-fill input; not presented as a regulatory maximum.

    Range: 10–500m (for longer runs use Detailed Calculator)

    Cable Schedule0/15 cables

    No cables added yet. Add up to 15 cables using the form above.

    Quick Calculator Limits

    • • Maximum 15 cables (for standard installations)
    • • Built-in 25% safety margins for thermal and mechanical limits
    • • Conservative fill factors ensure easy installation
    • • For complex projects, use Detailed Calculator

    Quick Results

    Add cables to see instant results
    Results appear instantly with every change • Conservative approach with built-in safety margins