Cable sizing, voltage drop, and entry planning

Cable and Wiring Tools

Practical calculators for conductor sizing, voltage drop, and cable gland selection.

Cable sizing, voltage drop, and entry planning

Estimate voltage drop by current, conductor length, material, cross-section, and phase system.

Cable sizing, voltage drop, and entry planning

Find a reference conductor size from load current, sizing factor, conductor material, and installation severity.

Cable sizing, voltage drop, and entry planning

Calculate conduit fill percentage from pathway type, trade size, cable outside diameter, and cable quantity.

Cable sizing, voltage drop, and entry planning

Check DC voltage drop for 12 V, 24 V, 48 V, control, LED, battery, and PV accessory circuits using AWG conductor resistance.

Cable sizing, voltage drop, and entry planning

Find the smallest AWG conductor that passes both reference ampacity and voltage-drop checks.

Cable sizing, voltage drop, and entry planning

Find a starting metric cable gland thread size from cable outer diameter, cable type, and environment.