When charged electrons (current) are forced through a conducting loop by the pressure of an electrical circuit’s power source, they can perform tasks like lighting a lamp.

In a nutshell, voltage equals pressure and is expressed in volts (V).

Early on, voltage was referred to as electromotive force (emf). This is the reason why the symbol E is used to denote voltage in equations like Ohm’s Law.

Most troubleshooting issues are approached by technicians with an understanding of how a circuit should normally operate.

Energy is delivered to a load using circuits, which can be anything from a small gadget to a home appliance to an industrial motor. Nameplates that list the standard electrical reference values of a load, such as voltage and current, are common. Some manufacturers offer a thorough schematic (technical diagram) of a load’s circuitry in place of a nameplate. Standard values may be included in manuals.

NextGen’s BrinGen – 3000 Series – Digital Brinell and Automatic Brinell Hardness Tester has the following power supply: AC110 V or AC220 ±5%, 50-60Hz

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