solar pv connector are single-contact electrical connectors commonly used for connecting solar panels. The compatible products are universal in the solar market today, equipping almost all solar panels produced since about 2011.[citation needed] Originally rated for 600 V, newer versions are rated at 1500 V, which allows longer strings to be created.

MC4 Y Branch Connectors are 2 to 1 connectors that allow for a safe and simple parallel or serial-parallel connection of PV modules. Available in either 2 female to 1 male, or 2 male to 1 female, and pluggable with single-pole MC4 connectors