POWER CALC PRO - FIELD EDITION

1. Circuits & Sub-Distros

2. Load Manifest & Patch List

Device Name

Type

Watts

Qty

Connector

Circuit Patch

Device	Type	Watts	Qty	Connector	Circuit	Action

Generator Sizing Estimator

Running Load

0.0 kW

Apparent Load (Est 0.9 PF)

0.0 kVA

Startup Surge (x1.25)

0.0 kW

Min. Gen Size (80% Derate)

0.0 kW

*Calculations are for continuous loads > 3 hours. Minimum gen size ensures the running load does not exceed 80% of the generator's prime power rating. Always verify with specific equipment tolerances.

Main 3-Phase Distro & Balance

Main Distro Supply Size

Phase Balance (NEMA Std)

0.0% Unbalanced

Branch Circuit Headroom (NEC 80% Warning)

*Bars turn Yellow at 80% (Continuous Load Limit) and Red at 100% Breaker Capacity.

Feeder & Wire Reference

Gauge	Ampacity	Max Continuous (80%)
18 AWG	10 A	8 A
16 AWG	13 A	10 A
14 AWG	18 A	14 A
12 AWG	25 A	20 A
10 AWG	30 A	24 A
8 AWG	40 A	32 A
6 AWG	55 A	44 A
4 AWG	70 A	56 A
2 AWG	95 A	76 A
1/0 AWG	150 A	120 A
2/0 AWG	225 A	180 A
4/0 AWG	405 A	324 A

*Ampacity is a strict thermal limit based on wire thickness (NEC Table 400.5), independent of length. For runs over 50 feet, always check the Voltage Drop Calculator to ensure adequate voltage reaches your equipment.

Voltage Drop Calculator

Run (ft)

Amps

Gauge

0.00 V Lost