Romex
2 articles
Trades
Knob & Tube, Romex, and Armored Cable: How to Identify Your Home's Wiring and Judge Its Safety
Learn to visually identify common residential wiring types like Romex, Knob & Tube, and Armored Cable. Understanding these systems, especially the presence of a ground wire, is crucial for assessing your home's electrical safety.
Ben Foster·October 24, 2026
Trades
What Are Residential and Commercial Electrical Wiring Types?
Many homeowners are unaware that the common Romex wiring found in their homes is strictly prohibited in residential buildings over three stories or in any commercial construction.
Rick Donovan·September 10, 2026