When you activate this command in the game if you step on an active Redstone, it will cause you damage, and it is logical, it hits you with current. Also, the damage will cause active repeaters, red blocks and even a torch. This command will add a bit of hardcore to your game and you will need to be more careful when working with the mechanisms.
How to use Redstone physics Command Block
- Copy the command text from a file (Ctrl+A -> Ctrl+C)
- Launch the game and get a command block, to do this type in console /give @p command_block
- Put the command block on the ground
- Click on it right click and paste the command in the “Command console” (Ctrl+V)
- Activate the command block using the button or the lever