For stationary appliances, means shall be provided to ensure all-pole disconnection from the supply mains. Such means shall be one of the following:– a supply cord fitted with a plug;– a switch complying with 24.3;– a statement in the instructions that a disconnection incorporated in the fixed wiring is to be provided;– an appliance inlet.Single-pole switches and single-pole protective devices that disconnect heating elements from the supply mains in single-phase, permanently connected class 0I appliances and class I appliances shall be connected to the phase conductor.Compliance is checked by inspection.