Voltage Pen – WL-283 6878-28C

The WL-283 Voltage Pen – 6878-28C is an electrical tester used to determine the presence or absence of voltage in electrical circuits. Such pens often allow users to test the voltage in a circuit. The tip of the pen detects the presence of voltage and notifies the user, usually with an LED light or audible alert. These pens are often used in various applications such as electrical maintenance, repair and hobby electronics. The model 6878-28C may be the product code of a specific brand or manufacturer. In this case, the features and functions of the pen may vary according to the brand’s standards and model.