Author: Project Ouroboros
EV Charger Load Calculation for Residential Service: NEC 220 and the 125 Percent Rule
How to add an EV charger to a residential NEC 220 load calculation: continuous load at 125 percent, standard vs optional method, and when a service upgrade is actually required. Read more
pyRevit vs Dynamo: Picking the Right Revit Automation Tool for Your Team
pyRevit vs Dynamo compared by someone who ships both: where graphs win, where Python toolbars win, plus the deployment and maintenance reality. Read more
Residential Service Load Calculation: A Worked Example for a 2,000 Square Foot House
A residential service load calculation worked line by line per NEC 220: lighting demand, range, dryer, heat vs AC, and the final service size. Read more
Motor Circuit Sizing per NEC 430: A Worked Example From FLA to Breaker
Motor circuit sizing per NEC 430 worked end to end: table FLA vs nameplate, conductors at 125 percent, breaker limits, and overload settings. Read more
Navisworks Clash Test Setup: Search Sets and Rules That Keep Reports Usable
Navisworks clash test setup that produces usable reports: property-based search sets, a trade-pair test matrix, tolerances, and noise-cutting rules. Read more
NEC Box Fill Calculations: Worked Examples That Pass Inspection
NEC 314.16 box fill worked examples: conductor counts, device yokes, clamps, and grounds, with the cubic-inch volume math for common box sizes. Read more
The Electrician’s Tool Bag for Commercial Work: What Holds Up After a Year
A field-tested electrician tool bag for commercial work: the hand tools that survive daily use, what wears out first, and where cheap is fine. Read more
Revit Panel Schedules That Match the Field: Cleanup Steps Before You Issue
How to clean up Revit electrical panel schedules before issuing: circuit naming, spares vs spaces, load classifications, and pre-issue field checks. Read more
Automating Estimating Takeoffs Without Losing Accuracy
How to automate estimating takeoffs without losing accuracy – where model-based and AI-assisted takeoff actually saves time, where it quietly introduces errors, and how to keep a human check in the loop. Read more
Voltage Drop on Long Residential Runs, When to Upsize the Wire
When to upsize wire for voltage drop on long residential runs – the 3 percent guideline, worked examples for a detached garage and a well pump, and a free voltage drop calculator. Read more