Generator produces electrical energy from a mechanical energy source, using electromagnetic induction. This process is known as generating electricity.

The alternator is a component on the generator that is capable of producing electrical output supplied by the engine. There are various components on the alternator that are capable of creating relative motion between magnetic and electric fields

HVAC is an acronym which stands in English for "heating, ventilation, and air-conditioning" referred to as air conditioning.

These three functions are interrelated, because they determine the temperature and humidity of the air in a building and also provide smoke control, maintain pressure between rooms, and provide fresh air for occupants. In modern building designs, the design, installation and control system of this function is made into a single "HVAC" system.

An uninterruptible power supply or uninterruptible power source (UPS) is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails. A UPS differs from an auxiliary or emergency power system or standby generator in that it will provide near-instantaneous protection from input power interruptions, by supplying energy stored in batteries. The on-battery run-time of most uninterruptible power sources is relatively short (only a few minutes) but sufficient to start a standby power source or properly shut down the protected equipment. It is a type of continual power system.

The Internet of things (IoT) describes the network of physical objects—“things”—that are embedded with sensors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems over the Internet.

Things have evolved due to the convergence of multiple technologies, real-time analytics, machine learning, commodity sensors, and embedded systems. Traditional fields of embedded systems, wireless sensor networks, control systems, automation (including home and building automation), and others all contribute to enabling the Internet of things. In the consumer market, IoT technology is most synonymous with products pertaining to the concept of the "smart home", including devices and appliances (such as lighting fixtures, thermostats, home security systems and cameras, and other home appliances) that support one or more common ecosystems, and can be controlled via devices associated with that ecosystem, such as smartphones and smart speakers. IoT can also be used in healthcare systems.

Solar panels are devices that consist of solar cells that convert light into electricity. They are called solar over the Sun or "sol" because the Sun is the strongest light source that can be utilized. Solar panels are often called photovoltaic cells, photovoltaic can be interpreted as "light-electricity". Solar cells or PV cells rely on the photovoltaic effect to absorb the energy of the Sun and cause current to flow between two oppositely charged layers. Generating electricity can be used directly or stored in the battery.

The distribution board is a component in the main power supply system for industrial, commercial or residential entities. The main wiring goes to the distribution panel and then through the breaker is distributed to the load such as lamps and plugs. What needs to be known about electrical distribution panels, for optimal performance of each device, is that they are able to maintain power distribution and provide security for loads and equipment. The panels are best equipped with MCCB, MCB, TIMER, busbar, DIN rail, netraL terminal, earthing, ETC.