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.
DeWitt Clinton, who was mayor of New York City and later Governor of New York State (1817-22 and 1825-28) had the vision and conviction to build the first 363-mile long Erie Canal. It is interesting to note that the first canal across the state bypassed Lake Ontario and only connected the Hudson River to Lake Erie.