| Electricity is generated (converted into electricity | | | | is usable for a specific facility. Not all buildings have |
| from another source for example gas, coal, | | | | (or need) a transformer; most very big ones do. |
| sunlight, or wind), then transmitted (moved in bulk | | | | 6. Primary circuit panel. Also called a distribution |
| to a wholesale purchaser), and finally distributed | | | | panel, this is the equivalent of the fuse box in |
| (delivered to end users, for example homes and | | | | your house. Separate switches, with circuit |
| businesses). The physical point at which a building | | | | breakers, direct power to various areas of the |
| is connected towards the energy source is known | | | | building or pieces of gear. Each panel also has a |
| as the electrical service entrance. | | | | master fuse or circuit breaker that controls |
| Before you add new pieces of electrical cooking | | | | energy towards the entire panel. |
| gear, you should find out whether it will also need | | | | 7. Secondary circuit panel. Local codes might need |
| an improve within the size of the electrical | | | | separate circuits, in separate locations, for one |
| assistance entrance and/or the main circuit panel, | | | | particular appliance or function within the building. |
| a considerable expense. The electrical assistance | | | | This provides a method to shut off the air |
| entrance might be overhead or underground, | | | | conditioner, for instance, or all heavy equipment, |
| easily visible or not. This really important place has | | | | without interfering with other power use. It's |
| eight basic components, and, you're already | | | | particularly handy when repairs have to be made. |
| familiar with a couple of them. If there's a energy | | | | 8. Ground rod. 1 low-impedance connection |
| outage, fire, or malfunction, you'll want to know | | | | towards the earth, which serves being a |
| sufficient to correctly describe it in these terms: | | | | conducting body to which an electrical circuit can |
| 1. Connection point. The exact website at which | | | | be connected. A "ground" is necessary to operate |
| the wires touch the building. | | | | electronic equipment. Use of a raceway |
| 2. Electrical meter. Records the kilowatt-hour | | | | (sometimes called a wireway), allows for simpler |
| consumption of the building. | | | | repositioning of receptacles, particularly within the |
| 3. Demand meter. Records the maximum demand | | | | hot line area. Overall, think about more than wall |
| for kilowatts. | | | | space when you decide where electrical panels |
| 4. Master service switch. Controls the flow of | | | | ought to be located. |
| energy towards the constructing and will | | | | Think about accessibility for turning circuits on and |
| automatically shut off being a safety precaution if | | | | off and for adding or modifying circuits as |
| there's an overload or excessive demand. It is | | | | equipment needs change. Placing electrical panels in |
| generally located on the outside of the building, | | | | a back room, far from the gear and lights that |
| and it's locked. | | | | they energy, increases the length of wires and |
| 5. Transformer. As its name suggests, it changes | | | | conduits-which, in turn, raises construction costs. |
| incoming alternating current into whatever voltage | | | | |