August 28, 20264 min read
Amps to kW
Size the circuit Conversions · kW = A × V ÷ 1000 Amps to kW Calculator — DC, Single-Phase & Three-Phase To convert amps…
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Practical, NEC-grounded articles that go a step past the calculators — wire and load sizing, backup power, solar, conversions, and the code behind them.
August 28, 20265 min read
Amps to Watts
Size the circuit Conversions · Watts = A × V Amps to Watts Calculator — DC, Single-Phase & Three-Phase To convert amps to watts,…
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August 27, 20265 min read
Watts to Amps
Size the circuit Conversions · Amps = Watts ÷ Volts Watts to Amps Calculator — DC, Single-Phase & Three-Phase To convert watts to amps,…
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August 27, 20265 min read
Volts to Watts
Size the circuit Conversions · Power = V × I Volts to Watts Calculator — DC, Single-Phase & Three-Phase Volts alone can’t give you…
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August 27, 20266 min read
HP to Amps
Size the circuit Conversions · Motors · NEC Art. 430 HP to Amps Calculator — Motor Full-Load Current (1-Phase & 3-Phase) To convert horsepower…
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August 27, 20265 min read
kVA to Amps
Size the feeder Conversions · Apparent power kVA to Amps Calculator — Single-Phase, Three-Phase & Transformers To convert kVA to amps, divide by the…
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August 26, 20265 min read
kW to Amps Calculator
Size the circuit Conversions · Ohm’s law kW to Amps Calculator — Single-Phase, Three-Phase & DC To convert kilowatts to amps, divide watts by…
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August 24, 20267 min read
Aluminum vs Copper Wire
Open calculator Grounding & conductors · NEC 310.16 Aluminum vs Copper Wire: Sizes, Cost, Safety, and When to Use Each Copper carries more per…
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August 24, 20267 min read
What Size Wire for a 400 Amp Service?
Open calculator Wire Size · NEC 310.12 What Size Wire for a 400 Amp Service? 400 kcmil Copper (or Two 200A Runs) A 400…
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August 24, 20268 min read
What Size Ground Wire Do You Need?
Open calculator Grounding · NEC 250.122 / 250.66 What Size Ground Wire Do You Need? (EGC vs GEC, With Charts) There are two different…
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August 21, 20268 min read
What Size Wire for a Stove or Range?
Open calculator Wire Size · NEC 240.4(D) What Size Wire for a Stove or Range? 6 AWG Copper (50A) — and When It’s 40A…
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August 21, 20267 min read
What Size Wire for a Dryer?
Open calculator Wire Size · NEC 240.4(D) What Size Wire for a Dryer? 10 AWG Copper (Plus 3-Prong vs 4-Prong) A standard electric dryer…
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August 21, 20267 min read
What Size Wire for a 20 Amp Breaker?
Open calculator Wire Size · NEC 240.4(D) What Size Wire for a 20 Amp Breaker? 12-Gauge Copper (and 15 vs 20) A 20 amp…
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August 21, 20269 min read
What Size Wire for a 40 Amp Breaker?
Open calculator Wire Size · NEC 310.16 What Size Wire for a 40 Amp Breaker? 8 AWG Copper (the Easy One) A 40 amp…
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August 21, 20269 min read
What Size Wire for a 60 Amp Breaker?
Open calculator Wire Size · NEC 310.16 / 334.80 What Size Wire for a 60 Amp Breaker? 6 AWG vs 4 AWG, Conduit vs…
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August 20, 20269 min read
What Size Wire for an EV Charger? 40A vs 48A, Plug vs Hardwired
Open calculator EV Charging · NEC 625.42 What Size Wire for an EV Charger? 40A vs 48A, Plug vs Hardwired Most Level 2 EV…
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August 20, 20269 min read
What Size Wire for a 100 Amp Service?
Open calculator Service Entrance · NEC 310.12 What Size Wire for a 100 Amp Service? Service vs Subpanel (4 AWG vs 3 AWG)…
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August 20, 202610 min read
What Size Wire for a 200 Amp Service?
Open calculator Service Entrance · NEC 310.12 What Size Wire for a 200 Amp Service? Copper, Aluminum & the 310.12 Dwelling Rule For a…
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August 20, 20269 min read
What Size Wire for a 50 Amp Breaker
Open calculator Wire Size · NEC 310.16 / 240.4 What Size Wire for a 50 Amp Breaker? The 6 AWG vs 8 AWG…
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August 19, 202610 min read
What Size Wire for a 30 Amp Breaker
Open calculator Wire Size · NEC 240.4(D) What Size Wire for a 30 Amp Breaker? Copper, Aluminum & the 10/2 vs 10/3 Rule A…
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August 7, 20267 min read
AWG Ampacity Chart: Full NEC Table 310.16 Wire Gauge Amp Ratings
Preview — AWG Ampacity Chart AWG Ampacity Chart — NEC Table 310.16 Open calculator → Wire Size · NEC Table 310.16 AWG Ampacity Chart:…
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July 24, 20269 min read
What Size Breaker for a Water Heater?
Open calculator Wiring & Circuits · NEC 310.16 / 422.13 What Size Breaker for a Water Heater? Most electric tank water heaters run on…
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