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  • Limit Switch Application Notes (.pdf)
    Many machines in use today incorporate functions that are controlled electronically. A common name for these products can fall under the umbrella "CNC" machines - standing for "computer numerical control". Stated simply, the computer reads "code" and tells the machine what to do. If the machine
  • Electrical Specifications: Float Assemblies with SPDT Switches and Temperature Switches (.pdf)
    Each switch wire group, will be separated and marked for easy identification. Assemblies with SPST and SPDT in the same sensor will typically follow standard color code unless customer specifies differently. Use an ohmmeter ONLY to check switch operations. Switch open resistance will be infinite
  • Arc Flash Concerns & Detecting Early Signs (.pdf)
    The National Electric Code (NEC) has been requiring an arc flash assessment for a few years now, but Utilities do not have to abide by NEC. However, now that the 2007 edition of NESC requires an arc flash assessment by January 1, 2009, all Utilities nationwide will have to perform an assessment
  • Switches and the NEC
    take up no more than 75% of the wiring space at any cross section. Wiring at any cross section can take up no more than 40% of the enclosure space. And there are important provisions for enclosures containing more than one switching device. The Code says there can't be more than 300 V measured between
  • Switching CAD systems
    Considering a new CAD system? Think twice. Buy once. Design managers could paper the walls with unsolicited offers to replace their present CAD systems. The switch to a new system, these vendors claim, is painless, even pleasant. The truth, however, is a decision of this magnitude requires careful
  • Rewritten CAD gets a boost in all departments
    Cadkey Workshop V20 (V20) represents the most extensive change in this venerable mechanical-design software since the switch from DOS to Windows. The developer has rewritten the entire code in response to user requests and added hundreds of features to increase productivity. Improvements fall
  • DVD ripping and transcoding with Linux This guide was updated on August 23, 2002.
    protection - that means that you can only switch your region code five times before it is locked. You can get information about how to remove the region code from your drive over at . So why am I mentioning
  • Primary Telecom Protection (.pdf)
    Primary telecommunications protectors must be deployed at points where exposed twisted pairs enter an office building or residence. This requirement is mandated in North America by the National Electric Code (NEC) to protect end users from the hazards associated with lightning and power cross

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