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 ...
Gaskets shall meet the requirements of ASTM F477. Unless the sewer tap elevation or building drain prohibits, standard trench depth shall be a minimum of 3 feet deep. All sewer laterals shall be required to have a clean out/vent pipe and sanitary trap no more than 6 feet from the building drain connection. The clean out/vent shall extend 18 inches above grade and shall be equipped with a removable vent cap.