Common Wire Connectors and Their Uses Wire Nuts and Colour & Type Connector Capacity Wire Connectors #14 to #6 AWG Large Blue Wire Nut Min. 3 #12 Max. 2 #6 w/ 1 #12 #18 to #6 AWG Large Grey Wire Nut Min. 2 #12 Max. 6 #12 #18 to #8 AWG Red Wire Nut Min. 2 #18 Max. 4 #10 #18 to #10 AWG Yellow Wire Nut Min. 2 #18 Max. 3 #12 #22 to #14 AWG Orange Wire Nut Min. 1 #18 w/ 1 #20 Max. 4 #16 w/ 1 #20 Note: The most commonly used wire connectors in residential wiring are red, yellow, and orange. The above shows acceptable wire sizes for wire nuts.
Common Wire Connectors and Their Uses Wire Nuts and Wire Connectors Colour & Type Connector Capacity Large Blue Wire Nut #14 to #6 AWG Min. 3 #12 Max. 2 #6 w/ 1 #12 Large Grey Wire Nut #18 to #6 AWG Min. 2 #12 Max. 6 #12 Red Wire Nut #18 to #8 AWG Min. 2 #18 Max. 4 #10 Yellow Wire Nut #18 to #10 AWG Min. 2 #18 Max. 3 #12 Orange Wire Nut #22 to #14 AWG Min. 1 #18 w/ 1 #20 Max. 4 #16 w/ 1 #20 Note: The most commonly used wire connectors in residential wiring are red, yellow, and orange. The above shows acceptable wire sizes for wire nuts.
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