3M Performance Plus Wire Connector B/G+BOX, Blue/Gray, 14-6 AWG, 50 per Box Simplifies selection of the right connector for a wide range of wiring jobs. B/G + covers both the large blue and gray connectors.This simplifies selection of the right connector for a wide range of wiring jobs. There's also less inventory to manage, and a better chance you'll have the connector you need to do every job. Less inventory to manage, and a better chance you'll have the connector you need to do every job. 4#14-2#6-3#8 AWG, Blue with Gray skirt, 50 per box