Quickly estimate I²R losses with our feeder copper loss calculator to get watts and percent loss results for any load current. Perfect for engineers and facility managers, it helps you pinpoint energy waste and make smarter decisions fast.
Quickly estimate line losses and ensure your circuits run efficiently with our instant voltage drop calculator for 1‑phase and 3‑phase systems, Cu/Al conductors, and AWG/kcmil sizing (Volts & %). Save time and avoid costly mistakes with clear results in volts and percent.
Get instant, code-compliant wire sizing with our free conductor size calculator—designed to handle continuous and noncontinuous loads under NEC 210.19/215.2 with clear, professional guidance.
Need the right conductor for your project? Our wire size calculator quickly determines NEC ampacity based on load current, insulation type, and copper or aluminum conductors so you get safe, code-compliant results every time.
Quickly learn to calculate available fault current for emergency panels—including generator contribution—so you can properly size protective devices and keep systems safe and code-compliant.