← Field Notes
September 22, 2025
What a Good Electrical Maintenance Contract Actually Prevents
Five years of data from 40 maintenance accounts: what routine IR scans, torque audits, and ground testing actually catch before they become outages.
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Apr 2026
What an IR Scan Actually Catches — And What It Misses
Thermographic scans are oversold. Here's what we've actually caught in the last 200 commercial scans, and the three things you still have to test with a meter.
Mar 2026
Planning a JEA-Coordinated Service Upgrade Without Killing Your Tenants
JEA coordinated outages take 6–10 weeks to schedule. Here's how we sequence temp service, transition, and re-energization into one overnight tenant outage.
Feb 2026
The Real Math on LED Retrofits (and Why Most Rebate Estimates Are Off)
Utility rebates look great on paper. We ran the numbers on twelve recent retrofits — here's the gap between projected and realized savings, and why.
Jan 2026
Do You Have Capacity for EV Chargers? Probably Not Without a Demand Study.
Most commercial buildings have less spare capacity than the breaker schedule suggests. A short demand study saves a service upgrade you didn't budget for.
Dec 2025
Generator Sizing for Commercial Buildings: kW, Runtime, and Transfer Switch Selection
Undersized generators trip on inrush. Oversized ones waste capital and run wet. Here's how we size standby plants for office, retail, and medical occupancies.
Nov 2025
NFPA 99 in Plain Language: What Healthcare Electrical Actually Requires
Type 1 essential electrical systems, branch sequencing, transfer times, and the first thing inspectors check on every medical occupancy. A field breakdown.
Oct 2025
Arc-Flash Labeling: What NFPA 70E Requires and What Most Buildings Are Missing
Arc-flash labels are legally required on exposed live parts. Most commercial buildings we walk into are missing labels or showing calculations from 2009.
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