by Micrometl | Jan 15, 2026 | Electrical
Electricity is a core part of HVAC work, but the terminology can feel confusing. This guide breaks down the essentials so you can understand the fundamentals without needing an engineering degree. The Foundation: Ohm’s Law At its simplest, Ohm’s Law describes the...
by Micrometl | Jan 15, 2026 | Electrical
NEMA is not a person — it’s the National Electrical Manufacturers Association, an organization that develops standards for a wide range of electrical equipment. Unlike a single-product rating system, NEMA provides standardized guidelines that cover hundreds of...
by Micrometl | Jan 15, 2026 | Electrical
In the HVAC industry, equipment is commonly built to operate on either single phase or three phase electrical power. Technicians spec these options every day, but understanding the differences—and the advantages of each—helps ensure the correct equipment and...
