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Educational & Preliminary Use Only

Results must be reviewed and stamped by a licensed Electrical Engineer (PE) before use in permit applications. Always verify with the locally adopted edition of the NEC and AHJ amendments. Engage a licensed professional for all permitted work. EngineersUniverse assumes no liability.

1. Project Info

2. Building & Service

3. Subsystem Loads

4. Emergency / Standby

📋 Project Information

Project Name

Project Number

Property Address

Engineer / PE

Authority Having Jurisdiction

NEC Edition

Facility Type (NEC Table 220.12)

Lighting unit load: 3.5 VA/ft² per NEC Table 220.12 (NEC 2023). Classic Table 220.12 values; override allowed via "Other". Demand factors (220.44/.56) and continuous adders (215.2/230.42) applied automatically.