Find answers to the most common questions about electrical wiring & components.
No—all connections must be inside a junction box with a cover plate for safety and code compliance.
Use weatherproof PVC boxes with gasketed covers and silicone sealant around conduit entries.
Use plastic boxes for lightweight fixtures (switches/outlets) and metal boxes for heavy fixtures (ceiling fans). Match the box depth to wall thickness (e.g., 2.5" for drywall).
EMT: Every 10 feet and within 3 feet of boxes. PVC: Every 3 feet for ½-inch, 5 feet for 1-inch+.
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