Here is the wire entering the house near the gas line entry point. This was done by the Verizon tech one month ago. The clear drain is from the condensing furnace.
Apparently at one point this tiny shed contained an external furnace unit. Now it just has the exhaust from the condensing furnace. Note the fiber and yellow digsafe flag (natural gas).
Ditch Witch buried wire running right on top of the 110V split phase service.