// Field Notes · 25 Years In the Trade

Trade Knowledge
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Tools, licensing, field techniques, and career guides from a C-10 contractor and licensed stationary engineer.

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// Tools & Field Setup
What's in My Electrical Bag
25 years in. Here's exactly what Doug Minear carries on every commercial job — and why.
8 min readRead →
// Test Equipment
Best Multimeter for Field Work
Field-tested picks. The Fluke 117, why it survives, and what to carry alongside it.
7 min readRead →
// Boiler Operations
Combustion Analysis: What Every Boiler Op Needs to Know
What the numbers mean, what equipment to use, and why this is the diagnostic tool that matters most.
9 min readRead →
// Safety · Hand Tools
Insulated Tools: Why They're Non-Negotiable
Rated vs. dipped. What IEC 60900 actually means. The case for carrying the right tools before you need them.
7 min readRead →
// Wire Work · Commercial
Wire Management on Commercial Jobs
The tools that keep wire pulls clean and fast — from the spool to the termination.
7 min readRead →
// Apprenticeship · Career
Your First Year as an Apprentice Electrician
What to focus on, what to carry, and what to read. From someone who started at thirty with no hall.
9 min readRead →
// Licensing · C-10 Contractor
C-10 License: What the Test Won't Teach You
The exam covers code and law. What it doesn't cover is everything that determines whether you stay in business.
8 min readRead →
// Stationary Engineering · Licensing
Stationary Engineer Exam Prep Guide
What the exam tests, how to prepare, and what you need to know beyond the written component.
10 min readRead →
// Power Tools · Field Use
Why I Run Milwaukee M18
After 25 years on multiple platforms, here's why M18 is what stayed in the truck.
7 min readRead →
// Boiler Operations · Diagnostics
How to Read a Boiler
What the gauges, temperatures, and sounds are telling you — before you touch a single instrument.
10 min readRead →
// Test Equipment · Safety
Best Non-Contact Voltage Tester 2026
Two field-tested NCV testers worth carrying — and why you need both, not one.
6 min readRead →
// Hand Tools · Wire Work
Wire Strippers Worth Buying
What makes a stripper good for commercial volume — and the options that hold up.
6 min readRead →
// Power Tool Accessories
Hole Saws for Electricians
Bi-metal vs carbide, what to look for, and why the arbor matters as much as the teeth.
6 min readRead →
// Measurement · Field Tools
Digital Calipers on the Job
Why a $15 caliper belongs in every electrician's bag and what you'll actually use it for.
6 min readRead →
// Business · Service Work
Setting Up Your First Service Truck
What to stock, how to organize, and the tools that need to be there before day one.
9 min readRead →
// Safety · OSHA · Compliance
Electrical Safety Tools That Keep You OSHA Compliant
What 1910.333 actually requires, and the tools that satisfy it on energized work.
8 min readRead →
// Small Tools · Field Efficiency
Magnetic Wristbands: Small Tool, Real Difference
Every tradesperson eventually owns one. Here's what to look for in one that actually works.
5 min readRead →
// Wire Work · Specialty Tools
The Rack-A-Tiers System Explained
Three tools — Wire Tub, Staple Shark, Croc's Jr. — that cover wire from the spool to the termination.
7 min readRead →
// Commercial Work · Career
Commercial vs Residential: What Actually Changes
Beyond the code differences — the pace, the environment, and the skill set that doesn't transfer automatically.
8 min readRead →
// Field Experience · Career
25 Years In — Tools I Still Carry
After 25 years in the trade, these are the tools that made the cut. And why.
9 min readRead →

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