Understanding NEC Article 669

Understanding NEC Article 669: Electroplating NEC Article 669 provides safety standards for the electrical systems used in electroplating, anodizing, electropolishing, and electrostripping processes. These systems involve high currents and low voltages, requiring specialized wiring methods and equipment for safe operation. Scope of Article 669 This article applies to: Key Note: The term electroplating in this […]

Understanding NEC Article 305

Understanding NEC Article 305: Rules for High-Voltage Wiring Systems Introduction NEC Article 305 provides detailed guidelines for installing wiring and materials in high-voltage systems that operate above 1000 volts AC or 1500 volts DC. These voltage thresholds are significant because they mark the transition to systems requiring specialized materials, design considerations, and heightened safety measures […]