| A | B |
|---|
| Drip Loop | A formed curvature of the service conductor to prevent water from entering the service head. |
| Insulator | A nonconductive device that supports the service drop wires near the service head. |
| Meter | The device that measures and records the amount of electricity used. |
| Meter Enclosure | A box that attaches to the service conduit. |
| Meter Socket | The receptacle that a meter plugs into. |
| Transformer Rule | The total voltage in the primary coil is to the total voltage in the secondary coil as the number of turns in the primary is to the number of turns in the secondary. |
| Service Drop Mast | A length of rigid conduit that contains the service entrance cable and is mounted between the service head and the meter. |
| Service Entrance | All of the wires, devices, and fittings that carry electricity from the power company's transformer to the consumer. |
| Service Head | A fitting installed at the top of the service entrance cable to prevent water from entering the meter socket. |
| Service Lateral | Service wires brought to the building that are routed underground, from either a pole or a transformer pad. |
| Temporary Wiring | A method of providing electrical power only during construction, remodeling, demolition, repair, or large scale maintenance of a building. |
| Service Drop | Service wires brought to the building that are run overhead from a pole. |
