pienjännitteissä

Pienjännitteissä refers to low-voltage electrical systems. In electrical engineering, voltage levels are typically categorized into three main groups: low voltage, medium voltage, and high voltage. The specific voltage ranges can vary slightly depending on the standard or region, but generally, low voltage is considered to be up to 1000 volts AC (alternating current) or up to 1500 volts DC (direct current).

Low-voltage systems are ubiquitous in modern society. They are used for powering homes, offices, appliances, lighting, and most electronic devices. The electricity supplied to residential buildings from the grid is a prime example of a low-voltage system. Safety regulations are crucial for low-voltage installations to prevent electric shock and fire hazards. These regulations cover aspects like insulation, grounding, circuit protection devices (such as fuses and circuit breakers), and proper wiring practices.

While considered "low," the voltage in these systems is still sufficient to cause harm if not handled with care. Therefore, electricians and technicians working with pienjännitteissä must be properly trained and adhere to safety protocols. The widespread use and relative safety compared to higher voltage systems make low-voltage electricity essential for everyday life and countless technological applications.