Conduit, tray, glands, lugs, routing, and cable entry
Conduit Fill Calculator
Calculate conduit fill percentage from pathway type, trade size, cable outside diameter, and cable quantity.
Open calculatorCable Management & Installation
Practical tools for conduit and cable tray fill, cable gland selection, cable lugs, routing, pulling, and installation planning.
5 calculatorsConduit, tray, glands, lugs, routing, and cable entry
Cable Gland Size Calculator
Select a cable gland by cable outside diameter or check Metric, PG, NPT, and G/BSPP entry threads.
Open calculatorConduit, tray, glands, lugs, routing, and cable entry
Cable Lug Selection Calculator
Select a preliminary cable-lug material, conductor marking, stud hole, palm style, finish, and connection method.
Open calculatorConduit, tray, glands, lugs, routing, and cable entry
Cable Pulling Tension Calculator
Estimate straight-section pulling tension, capstan tension after a bend, sidewall pressure, and allowable-tension utilization for a simplified cable pull.
Open calculatorConduit, tray, glands, lugs, routing, and cable entry
Cable Tray Fill and Sizing Calculator
Calculate cable tray area fill, single-layer width, reserve capacity, remaining space, cable weight, and a preliminary tray-width requirement.
Open calculatorMove from selected conductor to installed termination
Cable management begins after the conductor and cable construction are known. Raceway fill, tray occupancy, pulling limits, gland clamping range, thread system, lug barrel, and stud size determine whether the selected cable can be installed and terminated correctly.
Physical cable outside diameter is the governing input for many installation calculations; conductor mm² or AWG alone cannot predict the finished cable diameter.
Design the complete cable path, not one fitting
A valid route must accommodate cable quantity, bend radius, pulling tension, heat dissipation, entry sealing, mechanical retention, and termination access. Changing cable construction can affect every downstream installation component.
Gland and lug selection remains manufacturer-specific. Calculator results should narrow the family and size range before the exact product clamping table, material, certification, and installation instructions are checked.
Applications
Where these calculators fit
Raceway and tray planning
Screen conduit or tray occupancy and available routing space before installation.
Enclosure entries
Match cable OD, armor, environment, and thread system to a gland family.
Conductor termination
Match conductor area, material, palm, hole, and crimp system to a cable lug.
FAQ
Can I select a cable gland from conductor mm² alone?
Only as a preliminary reference. The final gland is selected by finished cable OD, cable construction, armor, sealing duty, thread, material, and certification.
Why do conduit and tray fill rules differ?
They address different pathway constructions, heat conditions, cable arrangements, and code requirements. Use the rule applicable to the actual pathway and cable type.
Does a correct lug size guarantee a valid termination?
No. The conductor class, material, barrel geometry, plating, stud hole, crimp tooling, die, and terminal instructions must all be compatible.
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