WG ROMEX NMB 10/3

🔌 What it means

• 10 → 10 AWG copper conductors
• /3 → 3 insulated conductors + ground
  • typically black, red, white, bare copper ground
• WG → distributor shorthand (often “with ground”)
• ROMEX → trade name for NM cable
• NMB (NM-B) → Non-Metallic Building cable for indoor residential wiring

⚡ Common Uses

10/3 NM-B is commonly used for 120/240V circuits requiring a neutral, such as:

• Electric dryers
• Some electric ranges / wall ovens
• Water heaters with controls requiring neutral
• Subpanel feeder runs (where code/load allows)
• Other 240V appliances with mixed-voltage components

🔥 Electrical Rating

• Commonly used on 30-amp circuits (application/code dependent)
• Rated for 600V insulation
• Indoor dry locations only

🧠 Simple Explanation

This is heavy-duty indoor cable used for 30-amp appliances that need two hot wires, a neutral, and a ground.