The utility model provides a last removable wiring end of power metering box, including connection port, antifouling cover, connecting bolt, binding post, the binding post guard shield, guard shield connection screw and lead sealing, binding post pass through connecting bolt and fix the upper portion at connection port, antifouling cover setting in binding post's lower part, the binding post guard shield pass through guard shield connection screw and fix the upper portion at binding post, guard shield connection screw on be provided with the lead sealing. The utility model discloses a binding post, the setting of antifouling cover and binding post guard shield is favorable to binding post's change, reduces power operating person's intensity of labour and work load, has still saved a large amount of social resources, and improve binding post and connection port's sealing performance and insulating properties, stop to take place pollution flashover or other because of sealing all kinds of troubles that sternly do not lead to when the great or dense fog weather of humidity, thoroughly stop to steal.