In Figure 9 we see a pair of 12-volt batteries connected in parallel. This 12-volt battery pack is connected to a single 12-volt charger. Note the blue wire designated W1. The purpose of this wire is to balance the voltage drop evenly across both batteries and each wire during charging.
Confidence votes 36. The Erie Canal was so important to the United States (U.S) because it was the water way connecting the Hudson River with Lake Erie through New York State. 20 people found this useful.
In 1836 an enlargement program commenced on the main Erie Canal system. The canal was straightened a bit, the channel was increased in size to 7â² x 70â², and the locks were enlarged to 18â² x 110â². This permitted boats of much greater size on the Erie, Champlain, Cayuga-Seneca and Oswego canals, and further diminished the importance of the smaller lateral canal.