SIS vs. THHN Wire: A Comprehensive Comparison for Industrial and Building Applications
What is SIS Wire? SIS stands for Switchboard Instrumentation and Switchgear wire. It is a specialized type of electrical wire designed specifically for the internal wiring of switchboards, panelboards, control panels, and industrial automation cabinets. Its construction is optimized for reliability in these demanding environments: Conductor: Typically uses stranded copper for flexibility within tight spaces. Insulation: […]