The hot signal wire and signal ground provided by an RCA connection implement an unbalanced connection. A true balanced connection is generally preferred in certain applications, particularly professional settings because it allows for the use of long cables while reducing susceptibility to external noise.

While these are the standard colors found on commercially made products, cables with different-colored connectors may be used, as long as the cable itself is compatible with the application (for example, cables with 75 ohms impedance for video and S/PDIF).Model U-109: Sixteen-Tube, Three-Band, A-C, Radio-Phonograph". RCA Victor Service Notes for 1937 Broadcast Radio Receivers, All-Wave Radio Receivers, Phonograph Combination Instruments, and Miscellaneous Service Information (PDF) (1sted.). RCA Manufacturing Company. p.256.

We offer many different types of RC Connectors including Deans, XT60, XT90, 2mm Gold Bullets, 3 mm Gold Bullets, 3.5 mm Gold Bullets, 4 mm Gold Bullets, 6 mm Gold Bullets, HXT Connectors, EC3 Connectors, EC5 Conectors, JST Connectors, Micro Deans, MT60 Connectors, Multiplex MPX Connectors. Alan Henry (25 December 2013). "How To Connect Your Old Video Game Consoles To A New TV". Kotaku . Retrieved 27 November 2016. The exact release date of this connector is still a little vague. The following dates were derived from historical RCA documentation. RCA 45 RPM 9-JY Record Player and RCA Tube Radio 6-XD-5". BlueBoy Records. Archived from the original on 2011-09-10 . Retrieved 2011-08-23.The male plug has a center pin that is 3.175mm (1/8inch) in diameter, and is surrounded by an outer shell that is 8.25mm (1/3inch) in diameter. Models R-96 and R-97: Three-Tube, A-C, Electric Phonographs". RCA Victor Service Notes for 1937 Broadcast Radio Receivers, All-Wave Radio Receivers, Phonograph Combination Instruments, and Miscellaneous Service Information (PDF) (1sted.). RCA Manufacturing Company. p.290.