The answer to 'types of electrical wiring' is that there are several common types of electrical wiring used in homes, each with their own advantages and considerations. The most common types include:
Romex (NM-B) Cable - This is the most widely used type of residential wiring, consisting of two or more insulated conductors enclosed in a flexible plastic sheath. It is relatively easy to install and cost-effective, making it a popular choice for new construction and remodeling projects.
Armored Cable (BX or MC) - Also known as 'metal clad' cable, this type features insulated conductors enclosed in a flexible metal sheath, providing additional protection and grounding. It is often used in commercial settings or in areas where extra protection is needed.
Conduit - This involves running individual wires through a rigid metal or plastic tube, which provides the most protection but also requires more labor to install. Conduit is often used in commercial buildings, basements, or other areas where wiring needs to be hidden or protected.