
Non-Metallic Cable Splice Box For 12 To 14 AWG Three-Conductor Cable With Ground, NMS-3, In-Wall Wiring Solution That Eliminates Extra Junction Boxes And Covers For Easy Residential Branch Circuit Installations
Non-Metallic Cable Splice Box For 12 To 14 AWG Three-Conductor Cable With Ground, NMS-3, In-Wall Wiring Solution That Eliminates Extra Junction Boxes And Covers For Easy Residential Branch Circuit Installations
Original: $61.71
-65%$61.71
$21.60The Story
This non-metallic splice box is designed to join three-conductor NM cables (AWG #12-14) and a grounding wire. It’s ideal for residential branch circuits, manufactured housing, and prefab structures, reducing the need for extra junction boxes and fittings. The clear cover lets you inspect splices before energizing the circuit. UL and cUL Listed.
✅ Splice box for three-conductor cables AWG #12-14 with grounding wire
✅ Internal structure eliminates need for junction boxes, covers, fittings, connectors
✅ Suitable for residential branch circuits, manufactured housing, and pre-fab buildings
✅ Clear cover enables inspection of cable splices
✅ UL and cUL Listed for safety and reliability
💡 What is a non-metallic splice box used for in typical residential wiring?
This handy device keeps splices neat and code-compliant, especially in tight wall spaces.
- supports three-conductor NM cables (#12-14) with grounding - enables in-wall splicing for residential branch circuits - UL/cUL listed for safety and reliable operation
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
This non-metallic splice box is designed to join three-conductor NM cables (AWG #12-14) and a grounding wire. It’s ideal for residential branch circuits, manufactured housing, and prefab structures, reducing the need for extra junction boxes and fittings. The clear cover lets you inspect splices before energizing the circuit. UL and cUL Listed.
✅ Splice box for three-conductor cables AWG #12-14 with grounding wire
✅ Internal structure eliminates need for junction boxes, covers, fittings, connectors
✅ Suitable for residential branch circuits, manufactured housing, and pre-fab buildings
✅ Clear cover enables inspection of cable splices
✅ UL and cUL Listed for safety and reliability
💡 What is a non-metallic splice box used for in typical residential wiring?
This handy device keeps splices neat and code-compliant, especially in tight wall spaces.
- supports three-conductor NM cables (#12-14) with grounding - enables in-wall splicing for residential branch circuits - UL/cUL listed for safety and reliable operation






















