A speaker's wire plugs are generally red (positive) and black (negative). Red wires connect to red plugs, and black wires connect to black plugs. If a speaker's wires contain different colors, the wires should be matched to their plugs by their positive and negative symbols. Full Answer >.
Finding wall studs. Wall studs in modern homes are spaced 16 inches on center -- that is thedistance from the center of one wall stud to the center of the next is 16inches. In older homes, studs may be 24 inches apart, or spaced irregularly.
What is Standard Wall Stud Separation Distance (residential)? I&#39;m using a studfinder to find the studs in a wall, hoping that I can install new towel holders into something stronger than drywall. But they seem to be at 16 inches apart.