29/07/2026
Five services on one bracket. One report.
Fire, power, AV, data, specialist lighting, sized across three tiers. The grouping factor, the bracket load, the drop rods, the cable fixings. Every number cited to BS 7671, the On-Site Guide and BS EN 61914.
The tool does the calculations. The engineering is the 25 years behind it.
Free to run, no signup.
projectdesign.io/cable-tray-sizing-calculator