Final answer:
The electric company has an Easement in gross, which allows them to extend their wires over the 50 parcels of land.
Step-by-step explanation:
The electric company in this situation has an Easement in gross. An easement in gross is a non-transferable right that a person or entity has to use someone else's property for a specific purpose. In this case, the electric company has the right to extend its wires over the 50 parcels of land, allowing them to provide electricity to those areas.