If you can see inside your power meter and it's of the older style with five mechanical dials, you will see that the five dials are connected to one another through a gear train like this, with the gears having a ratio of 10:1. small gear and a larger gear are connected together, one on top of the other. Gear trains often consist of multiple gears in the train, as shown in the next two figures. In the case above, the purple gear turns at a rate twice that of the blue gear.
2 feet & lt ; < b > NOT exactly < / b > < br / > Depends on the codes and type of  drain  & nbsp ; For example a trap can be located 2 feet from a vented line and the fixture located 2 feet from the trap & nbsp ; A floor drain in some codes can be located up to 15 Feet from a vent , then you have indirect drain lines such as an ice maker or ...
Your kitchen sink should already be vented if there is a p-trap draining to the wall. if it is an s-trap it is not vented and not to present code requirements.The dishwasher drain goes into the side of the disposal and the disposal should drain to the trap.A separate vent is not required for the disposal or dishwasher as the trap for the sink is what requires a vent.onnect the drain back to the other side of the sink and the wall or floor. There is an outlet tube supplied with the disposal that curves down. If your configuration of drain allows you to use this, connect it to the other side of the drain.