Copper SE cable gauge 00 from the meter socket to the breaker panel for a 200A service. Then 8, 10, 12, and 14 gauge wire depending on the load.
Steel.
The most commonly used wiring method for residential use is called nonmetallic sheathed cable. Other types of wiring methods are knob and tube, as well as service entrance cable.
No, there are different occasions when the red of a three wire cable gets used as a hot wire. There also times when the white wire gets used as a hot but has to be re identified as a hot with marking tape. When wiring baseboard heaters the cable used is red and black with no white wire in the set.
rollover cable
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it is used to make wiring for your house.
copper is mainly used.
The NEC has a table that shows what size cable to use with each amperage and where it can be used.
House wiring is almost always parallel. Series wiring may be used for some switch circuits, however.
copper or even more often brass Copper and aluminum are used in house wiring. Aluminum is typically used in the entrance cable and copper for everything past the breaker panel. Aluminum was used for house wiring a few decades ago but it was linked to numerous electrical fires because the connections would weaken over time.
3r x 300sq.mm Al. ar UG cable <<>> Wiring is sized by the amperage that is used by the load. The formula for amps is I = W/E. Amps = Watts (or VA)/Volts. As you can see an answer can not be given unless a voltage is stated. The lower the primary voltage the larger the amperage will be and likewise the larger the wire size will be.
The capacity, known as the wire's ampacity, of the wire to carry amperage safely determines the size of the wires used in house hold wiring. This capacity is stated in the electrical code that is used in different countries around the world.