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Sliding Gate Grounding – Hawaii, USA

Background

New safety requirements calling for substation entrance gates to be grounded led to a current customer in Hawaii to ask DMC Power for help with a sliding fence at their substation.

GATE CLOSED

Problem

This particular installation on a sliding gate had a few unique challenges:

Large span from one connection point to the other meant an elevated solution was required

  • Traditional bolted connectors and braided ground cables would snap due to the constant movement, creating a dangerous safety situation
  • Hot & wet weather cycles would occur daily
  • High copper theft potential

GATE OPEN (2)

Solution

Our solution was to Swage a flexible, coated grounding wire to a tin-plated fence post connector on the sliding gate and the other end to a tin-plated grounding terminal anchored and elevated into a concrete wall.

FLEX CONNECTION

The flexible wire allowed for durability and free movement, the tin-plating provided theft resistance, the elevated assembly kept the wire off the ground and the Swaging safely and permanently solved the wear and tear issue by forming a solid 360 degree connection.

GATE CLOSED (2)

GATE OPEN

Conclusion

The entire assembly took place in less than 30 minutes. The customer was extremely happy with the results and will continue using this solution on other sliding gate projects.