Electrical power generators transform mechanical energy into electrical energy, typically for backup or emergency power. Generators can produce either AC or DC power and are typically powered by a fuel engine

Power supplies are devices that produce AC or DC power.  This grouping includes current sources, DC power supplies, AC-DC adapters, DC-DC converters, AC power sources, and DC-AC inverters

Signal generators and waveform generators are used to test and align all types of transmitters and receivers, to measure frequency and to generate a signal, waveform or noise source. Signal generators can use AC energy, audio frequency (AF) and radio frequency (RF) to function

DC power supplies accept an input power and output the desired form of DC power. Common types of DC power supplies include linear power supplies, switching power supplies, DC-DC converters, and silicon controlled rectifier (SCR) type power supplies

Gas generators provide an onsite supply of gas, vapor or humidity (water vapor) eliminating the need for delivery in gas cylinders

Motor and generator winding services suppliers specialize in producing custom motors, generators and custom windings per customer specifications, as well as companies that specialize in motor repair and refurbishing. 

Alternative power generators produce electricity from renewable energy sources, such as wind, flowing water, solar energy and biomass, which create less environmental damage and pollution than fossil fuels

High voltage power supplies use linear technology to provide one or more DC outputs at voltage levels of hundreds or thousands of volts

AC power cords carry alternating current from one area to another. There are many different standard plugs and voltages, depending upon the country

Electrical resins and electronic compounds includes adhesives, greases, pads, stock shapes, tapes, encapsulants, potting compounds, thermal interface materials, and electrically conductive substances used in electrical, electronics, and semiconductor applications

PV and solar power systems convert light into electricity. They are the building blocks of photovoltaic (PV) modules

Transfer switches transfer electrical power back and forth between two power systems or buses such as a utility power line and a backup motor-generator power supply

Electrical utility services are involved in the design, siting, construction, service, repair, and inspection of electrical utility facilities, substations, and transmission and distribution lines

Microturbines are small fuel-burning turbines used in localized or mobile power generation and mechanical drive applications

RF generators and high frequency power supplies provide the power required for plasma generation, induction heating, and radar or communications applications