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.
Bearing walls (walls that carry a heavy roof or floor load) need studs no more than 16 inches apart. Non-bearing walls can generally have the studs spaced 24 inches apart. Standards vary according to location, so it is a good practice to find out what the building codes in your area are. Bearing walls (walls that carry a heavy roof or floor load) need studs no more than 16 inches apart. <br /><br /> Non-bearing walls can generally have the studs spaced 24 inches apart.<br /><br /><br />Standards vary according to location, so it is a good practice to find out what the building codes in your area are.