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Search   Advanced Search       Popular Searches: Class Rk5 Fuses Conduit Benders Fire Rated Poke Through Pvc Bender Wall Plates Wireless Receivers And Transmitters         On-Line Tools: Codes Caps Misc Wire & Cable Web Based Training More...         Feature Stories: Explosion Proof Products IEC vs NEC Intersystem Grounding & Bonding Termination Connectors Contractor Software Products 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: Philips Color Kinetics, Hubbell Wiring Device - Kellems, Bridgeport Fittings, Inc., 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>>>