Exothermic Welding Mold

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• How deep should a grounding rod be I

  In fact, the ground resistance is the criterion to determine whether the grounding rod is in a level state after it is connected to the ground, and the ground resistance contacted varies with the dept...

• Galvanized Grounding Rod

  A ground rod doesn’t have to be copper. It can also be a galvanized grounding rod. After large shrinkage cold drawing processing, the tensile strength is enhanced, and the toughness is maintained, an...

• The Difference Between Ground Line and Neutral Line

  Zero line means that the voltage on this line is zero, and the middle line means that the potential of this line is in the center of other lines, such as a middle line of three-phase alternating curre...