Use the PV4 T-adapter cable or branch adapter when you have to set multiple photovoltaic modules or strings in parallel. The PV4, also known by the brand name MC4 (Multi Contact), are the standard connectors for photovoltaic systems. A set based on two adapters, a single plug to multiple jack adapter and a multiple plug to single jack adapter. Info: Use protection caps for plugs or jacks which you do not have in use. Use only one manufacturer of connectors for your PV project. · Connections adapter A: 1x PV4 plug to 3x PV4 jack · Connections adapter B: 3x PV4 plug to 1x PV4 jack · Conductor cross-section: 4.0mm² · Color: black · Length: 0.3m Package Contents: 1x PV4 T-adapter cable, 1x plug / 3x jack 1x PV4 T-adapter cable, 3x plug / 1x jack