ight It Up Creating multiple dimmer zones for your outdoor oasis has never been easier. The Multi-zone Transformer Adapter takes the water resistant plug utilized by the Trex Transformers and Dimmers and replicates it turning 1 female port into 5 female ports. This makes creating multiple dimmer zones a snap. Trex® Through and Through The Multi-zone Transformer Adapter is compatible with all Trex Transformers and Dimmers and can be easily used without any electrical skills. It is also required for installation of the Trex Spotlight (sold separately). What’s in the Box 1 LightHub 5-Way Multi-zone Transformer Adapter that easily turns 1 female port into 5 female ports.