Abstract: The present invention provides an improved portable steam humidifier. According to a preferred embodiment, the improved humidifier of the present invention preferably includes a vapor blower assembly having a steam tower assembly, a control surface, an outlet grill, a fan, a duct, and a trough assembly including a water trough inlet, a water trough channel, and a trough reservoir. According to a further preferred embodiment, the air humidifying system of the present invention preferably further includes a water heating assembly having a boiler pod, a boiler pod cover, a bonnet and a boiler pod gasket. According to a further preferred embodiment, the boiler pod of the present invention is preferably secured above the trough reservoir. According to a further preferred embodiment, the air humidifying system of the present invention preferably further includes a vapor cup assembly having a vapor cup, a vapor cap and one or more vapor cup vents.

Abstract: A locking assembly for locking a switch is provided. According to a preferred embodiment, a locking member is connected to a support member having a plurality of first grooves, a lower receiving element, a retaining tab, a resilient member and a fastening element. Preferably, the lower receiving element includes a securing socket element having at least a second groove and a third groove. According to a preferred embodiment, the fastening element preferably secures the locking member, the lower receiving element, and the resilient member with a panel to form a locking assembly that automatically locks the switch when the switch is in a selected position.