4 calculator-backed tutorials covering conductor sizing, lighting layout, breaker selection, and power factor correction for U.S. electrical work.
Available Tutorials
Each tutorial turns a real electrical workflow into a guided study sequence you can review alongside the matching calculators.
intermediate45 min
Wire Sizing Tutorial for NEC Ampacity and Voltage Drop
Follow a practical U.S.-market workflow for sizing branch-circuit and feeder conductors from load current through terminal limits and voltage-drop review.
What this tutorial covers
Set conductor ampacity on the correct NEC basis
Apply derating and terminal limits in the right order
Keep voltage-drop review tied to conductor selection
4 stepsCalculator-backed practice
beginner35 min
Lighting Layout Tutorial for Footcandle Planning
Use a practical U.S. lumen-method workflow to estimate total lumens, fixture count, and first-pass spacing before photometric review.
What this tutorial covers
Set realistic first-pass footcandle targets for common spaces
Estimate total lumens with CU and LLF assumptions
Screen fixture count and spacing before detailed review
3 stepsCalculator-backed practice
intermediate40 min
Breaker Selection Tutorial for Continuous and Motor Loads
Follow a U.S.-market workflow for sizing breakers from load current, conductor limits, and the separate NEC paths for continuous and motor loads.
What this tutorial covers
Separate continuous-load and motor breaker logic
Check breaker selections against conductor constraints
Keep breaker sizing connected to fault-current review
4 stepsCalculator-backed practice
advanced40 min
Power Factor Correction Tutorial for Commercial and Industrial Systems
Work through a practical capacitor-sizing screen for balanced three-phase systems and learn when harmonic review still has to stay in scope.
What this tutorial covers
Estimate capacitor kvar from measured operating conditions
Connect correction decisions to current and penalty impacts
Recognize when harmonic review must remain part of the scope