Using this Westinghouse neon indicator is easy. First, make sure your stove or equipment is turned off. Connect the 20 - cm leads with 6.4mm spade terminals to the appropriate connection points. The indicator is designed for 240VAC, so ensure your power source matches. When using, keep it away from excessive heat and moisture. For maintenance, gently clean the indicator with a dry cloth every few months. If you notice any flickering or issues, check the connections first. If the problem persists, it might be time to replace the indicator. Since we've been in the appliance parts business for over 25 years, we're here to support you if you have any questions.