Using Plenum cable doesn't help with EMI from power cables. Plenum cable is intended to be used in plenum air spaces where if there was a fire the plenum sheath, if burned, would not emit toxic gases. Wiring standards state you have to be at least 5 inches from power wires when running parallel to them. You can be closer but you have to run perpendicular to the power. A good rule is just stay at least 12 inches from the power at all times. The problem is its usually difficult to follow those rules.
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Hey, check it out. Its a game! If you don't want to play by its rules play something else.
Using Plenum cable doesn't help with EMI from power cables. Plenum cable is intended to be used in plenum air spaces where if there was a fire the plenum sheath, if burned, would not emit toxic gases. Wiring standards state you have to be at least 5 inches from power wires when running parallel to them. You can be closer but you have to run perpendicular to the power. A good rule is just stay at least 12 inches from the power at all times. The problem is its usually difficult to follow those rules.
jk