February Issue 2000

 


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| February 2000
The National Electrical Code (NEC), Class 2 and Class 3 covers remote-control, signaling, and power-limited circuits covered by Chapter 7 in Article 725.

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| February 2000
There is great news in fiber optics. The world of optical waveguides, also known as fiber optic communications, is entering a significant transition.

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| February 2000
If you have had to install end-of-the-line resistors on fire alarm devices, you have probably found that the thin lead is hard to situate under the terminal.

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| February 2000
Have you ever had to turn a toolbox inside out to find a needed tap or bit?

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| February 2000
Long ago, the Internal Revenue Service established rules for deducting business computer and software expenses.

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