A arocco819 Member Location Long Island Occupation Local 3 journeyman wireman May 14, 2022 #1 If the speaker wire is coming from the amplifier then into a conduit with 2 hot legs neutral and ground(240v) will I have any interference?
If the speaker wire is coming from the amplifier then into a conduit with 2 hot legs neutral and ground(240v) will I have any interference?
LarryFine Master Electrician Electric Contractor Richmond VA Location Henrico County, VA Occupation Electrical Contractor May 14, 2022 #2 Welcome to the forum. Hum is a real possibility, but you can't run speaker wiring in the same conduit with power wiring anyway.
Welcome to the forum. Hum is a real possibility, but you can't run speaker wiring in the same conduit with power wiring anyway.
don_resqcapt19 Moderator Staff member Location Illinois Occupation retired electrician May 14, 2022 #3 See 640.9(C). If the output of the amplifier is a Class 2 or 3 circuit, that section will send you to 725.133, which sends you to 725.135, and thosei rules will likely prohibit the mixing of the power and amplifier cables in the same raceway.
See 640.9(C). If the output of the amplifier is a Class 2 or 3 circuit, that section will send you to 725.133, which sends you to 725.135, and thosei rules will likely prohibit the mixing of the power and amplifier cables in the same raceway.