3-1/2" Rigid Conduit Coupling | Threaded Steel Fitting

3-1/2" Rigid Conduit Coupling (Model 300RC)

Handle large-diameter conduit runs with confidence using this 3-1/2" Rigid Conduit Coupling. Built for heavy-duty commercial and industrial electrical installations, this threaded steel coupling delivers a strong, code-compliant connection that holds up in demanding environments.

🔖 Bulk Pricing

Order 15 or more and save 15% automatically at checkout — no code needed. Stock up and save on every order.

Key Features

• Fits standard 3-1/2" rigid metal conduit (RMC)
• Threaded steel construction for a secure, durable connection
• Suitable for indoor and outdoor installations
• Meets NEC requirements for rigid conduit systems
• Ideal for commercial, industrial, and large-scale residential projects

Specifications

• Trade Size: 3-1/2"
• Model: 300RC
• Type: Rigid Conduit Coupling
• Material: Steel
• Weight: 1.8 lbs

🚚 Same-Day Shipping & Pickup

• ⚡ Same-day shipping available on orders placed before cutoff
• ✅ Same-day in-store pickup at our Pineville, NC location
• ✅ Order online, pick up in store
• ✅ Contractor-friendly counter service

📍 Visit Us in Pineville, NC

Stop by AC Construction Depot for same-day pickup on a full range of rigid conduit fittings and electrical supplies. Serving Charlotte-area electricians and contractors.

📞 Questions or large orders? Call us at 704-835-1086 — we're here to help.