Power supply customers can never be wrong, that is to say, in any case, power companies should put power supply customers first to ensure the safety and interests of customers.

1. The phrase "power supply customers are never wrong" is usually used in the electric power industry. This sentence can be understood as: power enterprises should take customers as the center and customer satisfaction as the guide, constantly improve their services, improve the quality of power supply, and ensure the safe and reliable use of electricity by customers.

2. In electric power work, no matter from the aspects of safety, service or maintenance of customer relationship, we should put the interests of customers first, provide all-round, convenient and efficient services, and ensure that customers' rights and interests are not infringed.