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.
During construction, framing lumber is set 16 or 24. inches âon center,â meaning the individual pieces of. lumber are spaced 16 or 24 inches apart. If you. measure from the edge of one stud to the correspon-. ding edge of the next stud, the spacing will be 16. inches for a 16-inch-on-center spacing. You could also.