Welcome to the department where you can select some items that are simply essential for multiple connections, during an indoor horticultural installation such as thepower supply of a lighting kit MH or HPS, that of an extractor, or an electronic ballast to its reflector (not provided with IEC plug)...
With power strips, extension cords, power outlets, extension cords with IEC male/female connectors, 3G 1.5 mm2 or 2.5 mm2 cable...