1 What does Nickel or Gold mean? - This refers to the color of the connector shell.

2 What does Isolated mean? - Each connector has a non-conductive mounting washer added during install. This provides insulation from the plate and other connectors to reduce ground loop concerns.

3 Type of Wall Plate? - Bulkhead wall plates will have RCA on the front and RCA on the rear. Solder Point plates will have RCA on the front and solder points on the rear.