Universal Ground Clamp with Clip Nut — EM5907

A perforated copper strap with a threaded clip and bronze bolt assembly. Offered in lengths of 7″, 9″, 12″, 14″, or 24″, and with larger hole.


Connecting ground wires to water pipes, ground rods, and power masts.


  • Fits around any size water pipe, ground rod, or power mast.
  • Works with all the materials commonly used for grounding electrodes, i.e., copper water pipes, galvanized pipes, copper clad ground rods, plain steel ground rods.
  • Connects all the ground wire sizes from #14–#6 AWG solid or stranded.
  • Can be daisy-chained to be able to fit around very large diameter pipes.
  • Ground wires can be added or changed without removing ground clamp.
  • Tin-plated version available to be used with aluminum power masts.
  • Clamp is installed and wire is attached from the same side, making application easier in confined spaces.
  • Available with a slotted ground wire hole to accommodate two wires simultaneously (#6 AWG with a #10 AWG).
  • Available as “suitable for direct burial.”

Use the table below (scroll down) to determine the length you need.


Product Description

Part NumberGrounding ElectrodesLength
EM59073/8"–2" OD7"
EM59093/8"–2 3/4" OD9"
EM59123/8"–3 1/2" OD12"
EM59143/8"–4" OD14"
EM59243/8"–6 1/2" OD24"

Use the drop-down menu above to choose strap length, optional tin plating, and optional slotted ground wire hole, or go to the Product Variations tab to find an already configured part number.

Additional Information


12″, 14″, 24″, 7″, 9″

Optional slotted ground wire hole

No, Yes

Tin plating

No, Yes

    PROD # Length Optional slotted ground wire hole Tin plating
EM5907 7" No No
EM5909 9" No No
EM5912 12" No No
EM5914 14" No No
EM5924 24" No No
EM5907T 7" No Yes
EM5909T 9" No Yes
EM5912-ST 12" Yes Yes
EM5912S 12" Yes No
EM5912T 12" No Yes
EM5914T 14" No Yes