Appletonā¢ electrical distribution and lighting products by Emerson work flawlessly under the harshest conditions. Werner Electric Supply partners with Emerson to supply Appleton fittings, lighting, and power distribution solutions. Explosion-proof, dust-proof distribution equipment ranging from panelboards, circuit breakers, switches, disconnects, and switch racks keep your industrial facilities safe and productive, despite corrosive, hazardous applications.