Southwire 25-ft 10 / 2 / Romex SIMpull Solid Indoor CU NM-B W/G Individual pack ( By-the-roll )
4.6
39 Questions
Read All Questions & AnswersWhat size wire and breaker do I use for lights
3
Hello, thank you for your question. This answer will require a more technical response. Please reach out to our technical team at cabletechsupport@southiwre.com for a detailed explanation of your question.
Was this Answer Helpful ? Typically most lighting circuits are 15 amp and use #14 AWG wire although some use 20 amp circuits with #12 AWG wire.
Was this Answer Helpful ?If the circuit breaker is 15 amps, 14 gauge wire can be used. For a 20 amp circuit breaker, 12 gauge wire is specified. A 30 amp circuit breaker requires 10 gauge wire. While you can always substitute a lower gauge wire, they are more expensive and difficult to work with.
Was this Answer Helpful ?