![electricity pole, overhead line and components](/images/works/atonomy-main.jpg)
Anatomy of a Hydro Pole
Reference # | Description |
1 | Primary wires are the high voltage lines that carry up to 27,600 volts |
2 | Insulators prevent energized wires from coming in contact with each other or the utility pole |
3 & 4 | Transformer steps down voltage from the primary line to the secondary line |
5 | Secondary wires carry up to 240 volts and are connected by a service wire to the house. |
6 | Electric service wire to house from the secondary line |
7 | Phone and cable TV service wire to house |
8 | Ground wire runs the entire length of the pole. This directs any electricity on the pole safely onto the earth if there is a fault |
9 | Guy wires help stabilize poles |