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 ...
The other drain pipe consists of about 32' of galvanized steel pipe. The main drain line is (unvented) 1 1/2 pipe from the kitchen sink's trap to outlet to the septic. The path is ~6' from the trap to a T with a plug on one end. The other end of the T runs ~13' to reach the outlet to the septic. The bathtub drain has a straight run of about 5' of 1 1/2 pipe into another T into the 1 1/2 to the septic outlet. About 8' feet of 1 1/4 pipe is used to connect the bathroom sink to the 1 1/2 pipe.