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.
A common spacing is 12 inches between plants on rows. that are spaced 36 inches to 42 inches between rows (12,500. to 14,500 slips per acre). Plant spacing depends on soil fertility. and availability of irrigation water. In fertile soils, wide spacing. results in excessive jumbo roots and rougher potatoes.