SIS vs XHHW-2 Wire: Key Differences and Selection Guide
When selecting electrical wires for industrial or commercial applications, understanding the differences between specialized cables is crucial. While both SIS (Switchboard Instrumentation and Switchgear) and XHHW-2 (Cross-Linked Polyethylene High Heat-Resistant Water-Resistant) wires feature XLPE insulation, they serve distinct purposes in electrical systems. This guide will help you navigate their differences and choose the right wire […]