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Cable Pulling Tension Calculator
Calculate continuous pulling tension across tray, conduit, bends, slopes and vertical route sections.
- Continuous segment calculations
- Bend and sidewall-pressure checks
- PV / power cable routes
- Printable engineering results
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Lighting Level Calculator
Estimate luminaire quantities, layout spacing and achieved illumination using the lumen method.
- Room-index calculation
- Utilisation-factor interpolation
- Rows and columns
- Achieved lux and spacing checks
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Pole Foundation Calculator
Preliminary pole-foundation stability check using wind overturning and stabilising moments.
- Pole geometry
- Wind-pressure calculation
- Foundation stabilising moment
- Safety-factor check
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AC & DC Load Sizing
Build an editable AC and DC load schedule and calculate connected load, daily energy and DC-bus demand.
- AC and DC schedules
- Inverter-efficiency adjustment
- Daily energy totals
- Printable load summary
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DC Cable Sizing - For PV
Check PV string voltage, inverter current limits, voltage drop and derated PV cable current capacity.
- PV temperature-corrected voltage
- 6 mm² and 10 mm² selection
- DC voltage-drop calculation
- Grouping and temperature derating
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Unistrut Multi-Bracket Bending
Preliminary bending and utilisation check for a supported load shared across multiple brackets.
- Supported load and eccentricity
- Bracket quantity / load-share
- Bending stress and utilisation
- PASS/FAIL preliminary check
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Switchboard & Fault Scenario Sizing
Preliminary fault-scenario and switchboard current checks for early-stage LV system assessment.
- 3-phase and phase-phase faults
- Phase-neutral / earth scenarios
- Approximate peak-current check
- Switchboard current sizing basis
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PV Cable Tray Sizing
Size PV cable trays from cable quantity, dimensions, fill limit and layer-width constraints.
- Single-core and twin-core PV cables
- Cable area and tray-fill checks
- 1 / 2 / 3-layer width checks
- First-passing tray recommendation
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