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SCCR vs. AIC Rating: Matching Equipment to Available Fault Current
Electrical Code

September 1 2026

SCCR vs. AIC Rating: Matching Equipment to Available Fault Current

AIC rating vs. SCCR rating: what each one means, which equipment it applies to, and how to check both against available fault current.

The NEC 220.85 Duplex Comparison: New in the Load Calculator
News & Announcements

August 18 2026

The NEC 220.85 Duplex Comparison: New in the Load Calculator

Duplex calculations now run both Code-permitted methods and tell you when the lesser value applies.

How on-site load calculations win Raynor Services more jobs
Field Notes

August 14 2026

How on-site load calculations win Raynor Services more jobs

Learn how Raynor Services uses Kopperfield to do NEC load calculations faster, create permit-ready documentation, and close more electrical jobs.

How Newtech Energy saves time on every EV charger install
Field Notes

July 24 2026

How Newtech Energy saves time on every EV charger install

See how Newtech Energy handles high-volume EV charger installs across NY, NJ, and CT, using Kopperfield to turn around single line diagrams, site plans, and load calcs faster on every project.

How Nu-Trend draws single line diagrams in 80% less time
Field Notes

July 22 2026

How Nu-Trend draws single line diagrams in 80% less time

See how Nu-Trend uses Kopperfield to create NEC load calculations and single-line diagrams in minutes, cutting paperwork time by up to 80%.

NEC 2026 Load Calculations: What Changed and Why It Matters
Electrical Code

February 26 2026

NEC 2026 Load Calculations: What Changed and Why It Matters

NEC 2026 brings major changes to load calculation rules. Here's what electricians need to know.

How to create professional single line diagrams with Kopperfield
Business Tips

September 19 2025

How to create professional single line diagrams with Kopperfield

Learn how to make professional, permit-ready single line diagrams using Kopperfield. Step-by-step tutorial for electricians, covering templates, symbols, text, tables, and image mark-up options.

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