Industry News & Insights

SIS Wire Guide: Switchboard Wiring, NEC Rules, and Specifications

SIS is the wire the NEC expects inside switchboards and switchgear. Here's what makes it different from other ...

UL1007 vs UL1015 Wire: Key Differences and Which One to Use

UL1015 handles 600V and 105°C with a heavier wall; UL1007 is the thinner 300V wire that routes easier in tight...

THHN vs XHHW-2: Understanding the Key Differences in Wire Insulation

Learn the key differences between THHN and XHHW-2 wire insulation, including how thermoplastic and thermoset c...