Underground Wire Connector, Model 66® Gray/Dark Blue – Wire Connector for Harsh Environments

The IDEAL Industries Underground Wire Connector, Model 66®, is designed specifically for secure and durable wire connections in harsh underground and below-grade environments. Suitable for electrical distributors and lighting solutions providers, this connector accommodates copper wire sizes from #14 to #6 AWG and is ideal for direct burial, wet locations, and damp applications. Its quick and easy installation eliminates the need for heat shrink, resin-packs, or multi-step corrosion kits, making it an efficient choice for wire and cable management in demanding conditions.

Specifications

• Application: Handles wire sizes from #14 to #6 AWG copper; minimum of 3 #12 AWG; maximum of 2 #6 & 1 #10 AWG
• Color: Gray
• Dimensions: 11 in (Length) x 8.5 in (Width) x 4 in (Height)
• Product Weight: 2.65 lbs
• Manufacturer: IDEAL Industries
• Manufacturer Part Number: 30-1066

Features

• Pre-filled with silicone-based sealant for moisture and corrosion resistance
• Expanding, live-action spring ensures fast, secure, and long-lasting connections
• Tough thermoplastic shell provides impact protection
• Deep skirt design offers superior moisture resistance
• UL Listed to 486G for use in damp, wet, or direct burial below-grade applications
• One-use only connection due to pre-filled sealant
• Eliminates need for heat shrink tubes, resin packs, or corrosion kits, saving installation time

Downloads & Links

• UnderGround_WireConnector_SafetySheet.pdf
• UL_Listed_WireCombinations.pdf
• WireConnector_Catalog.pdf
• PDF Misc 3
• UnderGround_WireConnector_Instructions.pdf
• Spec Sheet
• P-2809 WeatherProof_UnderGround WireConnSS.indd
• WireTermination_LimitedWarranty.pdf