A professional who dips assembled electrical equipment components into materials, such as varnish, enamel, or asphalt to insulate wires and coils and tends oven that dries dipped components. Respnsibilities include:

• Pours dipping solution into vat and measures consistency with hydrometer, adding thinner to control density.
• Sets vat thermostat at prescribed temperature.
• Hangs or bolts components to be dipped, such as armatures or transformers, on racks, lifts them manually or by use of hand-operated hoist, and immerses them in vat for prescribed time.
• Removes components and places them on racks to drain.
• Sets oven temperature controls and places dipped units in oven to bake and dry for specified time.
• May clean and coat electrical leads by dipping them in molten solder.
• May paint armatures and field coils, using brush, or pour insulating compound over coils.
• May be designated according to unit impregnated as armature varnisher; field-coil enameler.