A split load cu. A1 and b1 can burn not all the time but according to what the switches at a2 b2 and c2 say.

Household Electric Circuits
Normal house wiring diagram. In general however there are only a couple varieties used for wiring a residential home. It moves along a hot wire toward a light or receptacle supplies energy to the device called a load and then returns along the neutral wire so called because under normal conditions its maintained at 0 volts or what is referred to as ground. The image below is a house wiring diagram of a typical us. Because a house is provided with alternating current the terms positive and negative do not apply as they do to direct current in batteries and cars. The source is at sw1 and 2 wire cable runs from there to the fixtures. To understand the function that different wires in a circuit play consider first our use of terms.
Ring circuits from 32a mcbs in the cu supplying mains sockets. Without a switch wiring diagram it can be very easy to make a serious mistake that will cause the circuit to malfunction and possibly become a hazard. It is up to the electrician to examine the total electrical requirements of the home especially where specific devices are to be located in each area and then decide how to plan the circuits. Or canadian circuit showing examples of connections in electrical boxes and at the devices mounted in them. This diagram illustrates wiring for one switch to control 2 or more lights. 2 such rings is typical for a 2 up 2 down larger houses have more.
A2 is a normal single pole switch as seen by its two side screws. Electricity travels in a circle. On example shown you can find out the type of a cable used to supply a feed to every particular circuit in a home the type and rating of circuit breakers devices supposed to protect your installation from overload or short current. For simple electrical installations we commonly use this house wiring diagram. In a typical new town house wiring system we have. A typical set of house plans shows the electrical symbols that have been located on the floor plan but do not provide any wiring details.
Live neutral tails from the electricity meter to the cu. Electrical wiring is a tighter system a more closed system. Romex shown in yellow above is the trade name for a type of electrical conductor with non metallic. When wiring a house there are many types wire to choose from some copper others aluminum some rated for outdoors others indoors. Typical house wiring diagram illustrates each type of circuit. The hot and neutral terminals on each fixture are spliced with a pigtail to the circuit wires which then continue on to the next light.
Having a map of your homes electrical circuits can help you identify the source of a problem. There are many ways to wire a 3 way switch. More about 3way switch diagrams. Multiple light wiring diagram. The power can start at a fixture or either of the two switches.