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Trades Technical Excellence & Safety

Trades Technical Excellence & Safety

Expert guides for business owners and working professionals. 22 articles.

Code books, manufacturer specs, and safety standards change faster than most field crews can keep up with, and the cost of getting it wrong is measured in failed inspections, callbacks, and OSHA fines. Our technical coverage is written for the technician and lead foreman — refrigerant transitions, NEC and IRC updates, brazing and soldering technique, confined-space and lockout-tagout protocols, and the diagnostic workflows that turn a four-hour callback into a thirty-minute fix. Every article is grounded in current code and reviewed for field accuracy.

Trades Technical Excellence & Safety
NFPA 70E Arc Flash Basics Every Electrician Must Know
Learn NFPA 70E arc flash basics for electricians, including safety boundaries, PPE requirements, and complianc
Jul 12, 2026 · 10 min
Trades Technical Excellence & Safety
Top Common Code Violations Found on Rough Inspection
Discover the most common code violations on rough inspection, from improper framing to electrical errors. Lear
Jul 12, 2026 · 8 min
Trades Technical Excellence & Safety
What Causes Short Cycling in Heat Pumps? Fixes & Prevention
Learn what causes short cycling in heat pumps, from dirty filters to refrigerant issues. Discover expert fixes
Jul 11, 2026 · 9 min
Trades Technical Excellence & Safety
How to Diagnose Low Voltage Shorts in HVAC Systems
Learn how to diagnose low voltage shorts in HVAC systems with step-by-step methods. Find common causes, testin
Jul 11, 2026 · 9 min
Trades Technical Excellence & Safety
How to Read a Furnace Wiring Diagram: Step-by-Step Guide
Learn how to read a wiring diagram for furnaces with this clear, step-by-step guide. Master symbols, circuits,
Jul 11, 2026 · 10 min
Trades Technical Excellence & Safety
GFCI vs AFCI Code Requirements 2026: What Changed?
Learn the key GFCI vs AFCI code requirements for 2026, including new locations, updates, and compliance tips f
Jul 11, 2026 · 9 min
Trades Technical Excellence & Safety
Tankless Water Heater Venting Code: Your 2026 Compliance Guide
Master tankless water heater venting code requirements for safety and compliance. Learn clearance, material, a
Jul 11, 2026 · 8 min
Trades Technical Excellence & Safety
How to Test Capacitors in Dual Run Config: A Step-by-Step Guide
Learn how to test capacitors in dual run config safely and accurately. This guide covers tools, steps, and tro
Jul 11, 2026 · 9 min
Trades Technical Excellence & Safety
Manual J Load Calculation Guide: HVAC Sizing Simplified
Master Manual J load calculation with our 2026 guide. Learn accurate HVAC sizing for efficiency, comfort, and
Jul 10, 2026 · 10 min
Trades Technical Excellence & Safety
Manual D Duct Design Fundamentals: A Step-by-Step Guide
Learn Manual D duct design fundamentals to size and layout HVAC ducts correctly. This guide covers key steps,
Jul 10, 2026 · 8 min
Trades Technical Excellence & Safety
EPA 608 Certification Study Guide: Pass Your Exam in 2026
Master the EPA 608 certification exam with this comprehensive study guide. Covers core types, key rules, and t
Jul 10, 2026 · 8 min
Trades Technical Excellence & Safety
OSHA 10 vs OSHA 30 for Trades: Which Do You Need?
Confused about OSHA 10 vs OSHA 30 for trades? We break down the key differences, requirements, and which certi
Jul 10, 2026 · 8 min
Trades Technical Excellence & Safety
How to Pull Permits in Different States: A Contractor's Guide
Learn how to pull permits in different states with this contractor's guide. Master state-specific requirements
Jul 10, 2026 · 9 min
Trades Technical Excellence & Safety
Top 10 Common HVAC Callback Causes & How to Fix Them
Discover the most common HVAC callback causes and learn how to prevent them. This guide helps technicians redu
Jul 10, 2026 · 9 min
Trades Technical Excellence & Safety
How to Braze Copper to Brass Safely: Pro Tips & Steps
Learn how to braze copper to brass safely with our step-by-step guide. Discover essential safety gear, proper
Jul 09, 2026 · 9 min
Trades Technical Excellence & Safety
OSHA Confined Space Rules for Plumbers: Safety Guide 2026
Learn OSHA confined space rules for plumbers, including permit requirements, hazards, and best practices to st
Jul 09, 2026 · 10 min
Trades Technical Excellence & Safety
Lockout Tagout Procedure for HVAC Techs: A Safety Guide
Learn the essential lockout tagout procedure for HVAC techs. This safety guide covers step-by-step LOTO steps,
Jul 09, 2026 · 9 min
Trades Technical Excellence & Safety
Diagnosing Intermittent Furnace Shutdowns: Quick Fixes
Learn how to diagnose intermittent furnace shutdowns with our expert guide. Discover common causes, safety tip
Jul 09, 2026 · 10 min
Trades Technical Excellence & Safety
How to Test a Capacitor on an AC Unit: Safe DIY Steps
Learn how to test a capacitor on an AC unit safely with a multimeter. Our step-by-step guide covers discharge,
Jul 09, 2026 · 9 min
Trades Technical Excellence & Safety
Brazing vs Soldering for Refrigerant Lines: Which Is Better?
Learn the key differences between brazing and soldering for refrigerant lines, including strength, safety, and
Jul 09, 2026 · 9 min
Trades Technical Excellence & Safety
NEC 2023 Changes: What Residential Electricians Must Know
Stay compliant with the latest NEC 2023 changes for residential electricians. This guide covers key updates to
Jul 08, 2026 · 9 min
Trades Technical Excellence & Safety
2024 IRC Plumbing Code Changes: Key Updates & Compliance
Stay compliant with 2024 IRC plumbing code changes. Learn key updates, new requirements, and how they impact y
Jul 08, 2026 · 8 min