Ohjausjohtimet

Ohjausjohtimet, often translated as control wires or pilot wires, are essential components in electrical systems, particularly in power distribution and control circuits. Their primary function is to carry low-power signals that are used to control the operation of larger, higher-power equipment. Unlike power conductors that directly transmit electrical energy to devices, ohjausjohtimet are responsible for transmitting the commands that dictate when and how those devices should operate.

These wires are typically smaller in gauge than power conductors because they do not need to carry significant current. They are used in a wide array of applications, including relay control, signaling systems, instrumentation, and the operation of circuit breakers, switchgear, and motor starters. The signals transmitted can be simple on/off commands or more complex analog or digital data.

The reliability and integrity of ohjausjohtimet are crucial for the safe and efficient functioning of any electrical system. Faults in control circuits, often stemming from issues with these wires, can lead to operational failures, equipment damage, or safety hazards. Therefore, their installation, maintenance, and protection are of paramount importance. They are often bundled together in control cables or conduits, and their routing is carefully planned to prevent interference and damage.