Making your selection The Ultra Series Power Wedge® 1118 Power Pack Power Conditioners Power Link Power Cords FAQ Get Our Catalog		For Power Wedges (a Power Wedge 116 in this example): 1 1st number is the voltage; 1 = 120VAC, 2 = 240VAC 1 2nd number is the amperage rating; 1 = 15 amp, 2 = 20 amp 6 3rd number is the number of isolated outlets For our Power Link cords (here a Power Link 313-6): 3 1st number represents 3 wire 1 3 2nd and 3rd numbers are the gauge equivalent (11 or 3) - 6 Last number following dash is the length in feet The Power Pack and Ultra Power Enhancer models have no codes. They are simply numbered.