What is the minimum size of overhead service drop conductors in copper?

The minimum size of overhead service drop conductors in copper is #6 AWG. This requirement is outlined in the National Electrical Code (NEC) and further supported by local amendments in New York City. The reasoning behind the use of #6 AWG or larger is to ensure that the conductors can safely carry the service load while minimizing voltage drop and providing adequate mechanical strength to withstand the environmental stresses associated with overhead installations, such as wind and ice loading.

In overhead applications, conductors must be robust enough to handle not just the electrical load but also the risks of physical damage or degradation from weather exposure. Conductors that are too small may lead to overheating, increased vulnerability, and potential fire hazards. While the question posed seems to indicate #8 AWG as the answer, it is essential to adhere to the code specifications which mandate the use of #6 AWG minimum for copper conductors in overhead service drops to ensure safety and reliability in electrical installations.