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Search   Advanced Search       Popular Searches: Cable Ties Portable Power Distribution Panels Shatter Proof Fluorescent Lamps Twist Lock Twist On Connectors Wire Mesh Cable Tray         On-Line Tools: Power Quality Electric Heat Calculators Codes Motor Control More...         Feature Stories: Contractor Software Products The Many Uses of Cable Grips Prewired Raceway Cuts Lab Installation Time More...         Manufacturer Links: Search Mfg's by Product, keyword or Name Link to Spec Sheets, Catalogs, MSDS, Travel Directions	Check out Rich-Media Product Video Demos from companies like: NSi Industries, Inc., SolaHD, Philips Color Kinetics, and more >> New for July 2009 >> Includes products from   Trouble-Shooting Control Transformer Protection Peter Walsh, PE Protecting control transformers can be puzzling. Normally the fuses are larger than you expect. Why is that? This is because control power transformers have a heavy-duty task. They have to maintain their voltage when a relay inrush current is temporarily overloading it. Manufacturers have to design them with low impendence that can hold up the voltage. Read More>>> See all current stories>>>