With key (included) turn the Earth lock clockwise (Fig 1). Take the Earth cable end connector (not included) and plug into the Earth socket. Figure 1 The Powersafe connectors are mechanically keyed to prevent connection. Box Two is an ever-evolving game of trivia, codes, puzzles, and discovery only from the mind of Neil Patrick Harris. The game is uniquely designed to challenge only ONE person - and that person is you! And only you. Can you handle it? Some of the procedures in this manual may involve the removal and reconnection of components (connec-tors, etc. Any helpful tips? Hey there! Happy to help with this - send a quick message to our support crew (dedicated to B2) at boxtwo@theory11. Failure to observe the instructions or precautions in the user manual can result in electrical shock, serious injury, or death, or can damage the distribution box, potentially rendering it. If you encounter any installation or operational issues with your product, check the pertinent section of this manual to see if the issue can be resolved by following outlined procedures. com/en-us/support/ for additional assistance.