NEC 2023

NEC compliance, built in

Cable sizing, overcurrent protection, derating factors, and voltage drop — all checked against NEC 2023 automatically as you design. No separate compliance step.

What you get

NEC 2023 edition

Sizing and compliance checks reference the current National Electrical Code.

Ampacity per NEC 310

Conductor sizing based on NEC ampacity tables with proper temperature ratings.

OCPD per NEC 240

Overcurrent protection sizing following NEC 240 requirements and standard sizes from 240.6.

Derating factors

Automatic application of conduit fill, ambient temperature, and bundling derating per NEC.

Continuous load factors

125% continuous load factor applied automatically per NEC requirements.

Automatic validation

Non-compliant selections are flagged automatically. No manual cross-checking needed.

NEC compliance as part of the design process

Instead of checking NEC compliance as a separate step after design, ekx checks it continuously as you build. Every cable, every breaker, every circuit — always compliant.

  • Equipment sizes follow NEC requirements from the start
  • Derating factors apply automatically based on installation conditions
  • Non-compliant configurations are flagged in real time
  • Manual overrides are checked against NEC minimums

Start free. Upgrade when you need more.

Free tier includes 1 project with up to 2 buses. Paid plans start at $27/month for consultants and $149/month for unlimited access.

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Frequently asked questions

Which NEC edition does ekx use?

NEC 2023. Ampacity tables, derating factors, and overcurrent protection requirements all reference the current edition.

Does it replace manual NEC lookups?

For cable sizing, OCPD sizing, and derating factors — yes. ekx automates the table lookups and calculations. You should still apply engineering judgment and verify results.

What about local amendments?

ekx follows the national code. Local amendments or AHJ-specific requirements should be verified separately by the engineer of record.

Does it handle special conditions?

Derating for conduit fill, ambient temperature, and bundled conductors is handled automatically. You configure the installation conditions, and ekx applies the correct factors.

NEC compliance built into every design decision.

Stop flipping through code books. Let ekx check compliance automatically.

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