Article 300 in the National Electric Code applies to all types of wiring methods, unless other chapters of the NEC modify or supplement it. The instructions for how to apply Article 300 are found in Chapter 90.3 of the NEC.
NEC Article 110.8 Brief Points
Wiring methods are the different ways of connecting electrical components together. This includes the type of wires and cables used, the type of connectors used, and the manner in which the wiring is laid out. Wiring methods are important for ensuring that the electrical system is safe and reliable.
The most common wiring methods are conduit, cable, and busbar. Conduit is a flexible tube that is used to protect and route the electrical wiring. It is made out of metal or plastic, depending on the application and environment. Cable is a bundle of insulated wires that are held together by a jacket. It is usually used for large projects and for carrying high-voltage currents. Busbar is an insulated metal strip that is used to connect multiple components together.
In addition to these methods, there are also specialized wiring methods used to provide additional protection. These include shielded cables, which have a metal shield to protect against electromagnetic interference, and fire-resistant cables, which are designed to withstand high temperatures.
Wiring methods also include the type of connectors used to join two sections of wire. These include crimp connectors, which are used to join two sections of wire with a metal crimp; solderless connectors, which are used to join two sections of wire without the use of solder; and insulated terminals, which are used to join two sections of wire with an insulation material.
It is important to choose the correct wiring method for any electrical system. Different types of wiring methods are used in different applications, and the wrong choice can lead to unsafe conditions. It is also important to follow the instructions provided with the electrical components to ensure that the wiring is installed correctly.
Following is the reference of above article NEC Article 110.8 – Wiring Methods
