Dynamo script: NEC-Compliant Panel Schedule Generator

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This Dynamo script (v1.4.2) automates NEC-compliant panel schedule generation in Revit MEP projects, correcting voltage and sorting circuits naturally. It’s ideal for MEP engineers creating accurate electrical schedules.
  • Digital Download
  • Revit Version: 2023
  • Dynamo Build: 2.17
  • Created by: Alfonso Davila

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How to Install Dynamo Scripts

1. Open Revit
2. From the Manage Tab > Dynamo
3. From Dynamo click File > Open and choose the dyn. file
4. To Run the script click on the Run button

For more information please visit our download and install instructions page.

Revit Dynamo script: NEC-Compliant Panel Schedule Generator

This Dynamo script (v1.4.2) automates NEC-compliant panel schedule generation in Revit MEP projects, correcting voltage and sorting circuits naturally. It’s ideal for MEP engineers creating accurate electrical schedules.

Key Features:

  • Generates schedules for OST_ElectricalEquipment panels with load and current data.
  • Corrects voltage (e.g., decivolts to volts) and flags unrealistic values.
  • Applies NEC continuous load factor (125% for continuous loads).
  • Outputs CSV with panel name, circuit number, load name, voltage, kVA, and currents.
  • Naturally sorts circuits for readability.

Inputs Required:

  • Element Selection: None (automatically collects panels and systems).
  • Naming Conventions: None.
  • Template Application: None.
  • Geometric Parameters: None.
  • Randomization Controls: None.
  • Color and Material Settings: None.
  • Level or Height Information: None.

Outputs Generated:

  • CSV report (panel_schedule.csv) with panel schedules, including warnings.
  • Dynamo output with schedule table (panel name, circuit, load, voltage, kVA, currents).

Instructions:

  1. Open Revit 2023–2025 with electrical panels and systems defined.
  2. Launch Dynamo 2.17+; ensure RevitAPI/RevitServices are available.
  3. Add Python Script node, load Panel_Schedule_Generator.py.
  4. Run the script (no inputs required).
  5. Check Desktop for panel_schedule.csv and Dynamo for table output.

Notes:

  • Ensure panels have valid “Apparent Load” and “Voltage” parameters.
  • Warnings flag zero kVA or unrealistic currents (>1000A).
  • Contact davila.alfonso@gmail.com or https://github.com/DynMEP for support.
  • Single-user license; do not redistribute.

Compatibility: Revit 2023, 2024, 2025

Required Dynamo Packages:

This script contains the following custom nodes, so if don't have the packages please install it before using our script:

  • Dynamo 2.17+
  • IronPython 2.7 or CPython 3
  • RevitAPI (included with Revit)
  • RevitServices (included with Dynamo)

Revit Version: 2023

Dynamo Build: 2.17

Alfonso Davila is a senior electrical engineer with over 20 years of experience in power distribution systems and MEP design. Specializing in Revit MEP and Dynamo automation, he develops NEC-compliant tools to streamline BIM workflows for MEP firms. Proficient in electrical design, load calculations, and NEC compliance, Alfonso ensures safety, efficiency, and compliance. He leads DynMEP Solutions, delivering innovative scripts for Revit users worldwide.

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