3M(TM) Performance Plus(TM) Wire Connector O/B+JUG, 500/jug It offers a strong bite in a pigtail application so you get a long-lasting connection An expandable spring lets you take in more wire uptake and reuse The O/B+ is dual color-coded so this 1 connector replaces your traditional orange and blue connectors Great for all types of jobs - from industrial and residential construction, to automotive, marine and appliance applications Use with copper conductors ranging from 22 to 12 AWG