Start with the problem you want solved
Describe the symptom without opening equipment: a lost circuit, repeated breaker operation, flickering or an inoperative device.
Fairfield: planning the visit
A request to power a detached structure should include the planned equipment, current supply and route between buildings. Ask what must be surveyed before a quote is binding. Utility service, customer wiring and excavation may have separate responsibilities that need to appear in the proposal.
