Using Two Cables for a Three-Way Switch, Mixing Plastic and Metal, and More

摘要

If you have a problem related to the National Electrical Code (NEC), are experiencing difficulty in understanding a Code requirement, or are wondering why or if such a requirement exists, ask Charlie, and he will let the Code decide. Questions can be sent to codefaqs@earthlink.net. Answers are based on the 2011 NEC.