Green Power PowerBoxThe Green Power Powerbox is used to safely power up to four appliances in your grow area from two separate power cables, with a high maximum load of 13 amps for each pair of sockets. The Powerbox really comes into its own when used in conjunction with a lighting control system, such as the Gavita Master Controller. You can then use it to power your ballasts while the Gavita Master Controller regulates on and off times (as well as doing a whole lot