Thursday, October 8, 2015

Are You Well Grounded on Grounding? - Part 3

Drawing symbols for Electrical Ground
Electrical Drawing Symbols for Ground
Welcome to the third and final part of this series on electrical grounding for equipment and instruments. Part One and Part Two can be found as previous posts to this blog, and I hope you read them too. Those initial parts provided practical knowledge about equipment grounding and personnel protection in a format understandable to anyone. Those of us more deeply involved with electrical matters likely know someone that could benefit from these articles and I urge you to share.

The white paper that I have included below was produced by the folks at Acromag, a world class manufacturer of signal conditioners and other industrial I/O devices. They have done a fantastic job of presenting technical subject matter in a compact and very understandable form. The subjects covered in the series include:
  • Ground as protection
  • How a ground fault circuit interrupter (GFCI) works
  • Ground as a voltage stabilizer and transient limiter
  • Tips on improving safety and signal integrity
  • The importance of circuit grounding
  • Description of the US AC power system and its use of earth ground
This third installment includes a section entitled "Some Basic Ground Rules For Wired Equipment" which lists out an array of useful tips for connecting wired signals to devices, and more.

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