What surfaces will ground me? Which surfaces won't?

Conductive Surfaces Include:

  • Soil
  • Grass
  • Sand
  • Gravel that is touching the earth
  • Rock that is touching the earth
  • Unsealed concrete or concrete with a water-based sealant that is touching the earth or a conductive surface
  • Unsealed brick or brick with a water-based sealant that is touching the earth or a conductive surface
  • Unsealed ceramic or ceramic with a water-based sealant that is touching the earth or a conductive surface like an unsealed cement slab
  • Bodies of water (like the ocean, lakes, and streams)
  • Living trees in the earth when you can make contact with the sap or the bark is moist/wet
  • Living plants in the earth

Note: Moist surfaces will be more conductive than dry surfaces.

Non-Conductive Surfaces Include:

  • Asphalt
  • Vinyl
  • Plastic
  • Tar or tarmac
  • Cut wood
  • Painted or chemically-sealed concrete
  • Living plants in a pot inside your home


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