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Elétrica
Fios, eletrodutos, queda de tensão e cálculos de norma para eletricistas, técnicos de baixa tensão e aprendizes.
17 ferramentas disponíveis
Voltage Drop Calculator
Compute the percentage drop across a feeder or branch circuit quickly.
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Wire Size & Ampacity Sizer
Find the conductor and OCPD size for any continuous load.
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Conduit Fill Calculator
Validate raceway fill against the 40% rule and Chapter 9 tables.
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Box Fill Calculator
Size a box to meet NEC 314.16 volume and claw counts.
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Residential Service Load Calculator
Run a quick NEC 220 standard or optional demand factor.
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Conductor Derating & Correction
Combine adjuster factors for one final ampacity.
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Transformer kVA & Buck-Boost Sizer
Pick the right kVA, tap, and configuration for a transformer job.
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Motor FLA & Feeder Sizing (NEC 430)
Compute FLA, feeder ampacity, and OCPD limits.
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Low-Voltage Cable Run Calculator
Estimate end-of-run voltage, signal loss, and gauge upgrades.
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Room Lighting Lumens Calculator
Estimate fixture count and layout for any space.
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Panel Load & Sub-Panel Sizer
Tally a panel's connected load and pick the next standard bus rating.
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Wire DC Resistance Calculator
Compute the ohms and percent drop for any gauge length and material.
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Raceway Fill by Trade Size & Wires
Size EMT, PVC, and flex by actual cable area and Chapter 9 tables.
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Solar PV Wire & String Sizer
Compute conductor ampacity and Voc correction for PV arrays.
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Generator Sizing Calculator
Pick the right standby or jobsite kW for any load list.
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DC Battery Runtime Estimator
Estimate runtime, depth-of-discharge, and battery bank size.
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Resistor Color-Band Decoder
Read a 4-band or 5-band resistor color code into ohms, with tolerance and ppm/K.
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