A112 (BRASS) 3 WAY CONNECTOR   A112-1 (ALUMINUM) 3 WAY CONNECTOR   A112-1a (ALUMINUM) 3 WAY COUPLER   A112-2 (BRASS) 3 WAY CONNECTOR           A112-2a (BRASS) 3 WAY COUPLER   A112-3 (ALUMINUM) MULTI WAY CONNECTOR