Inserted joint and threaded ground rods. What to choose?

Our catalog includes ground electrode systems based on components with different mount types. For example, ZZ-001-065 threaded ground rod and GL-00085 inserted joint rod are the main grounding electrode system components. It is not a coincidence that these components are selected for comparison as buyers often ask the question "What's the difference?" and "What to buy?"

We can explain what you should look at when buying:

Connection elements

a) As its name implies, ZZ-001-065 threaded ground rod has a threaded joint. All components it can be fastened to also have a thread: a coupling, a tip, and a guide head.

Grounding electrode based on threaded ground rods

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RU

Головка

Guide head

Штырь

Rod

Муфта

Coupling

Штырь

Rod

Наконечник

Tip

   

b) GL-00085inserted joint rods are connected by driving into each other: one end of the rod has a blind hole and the other rod is inserted into it with its tapered end forward. A sealing sleeve is included to proved the reliability of the connection. It is not required to buy additional sleeves, tip or guide heads to prepare the inserted joint ground rod for connection.

Inserted ground rods

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EN

Стержень

Rod

Зажимо-уплотняющая втулка

Sealing sleeve

Стержень

Rod

 

Mounting

a) Due to the fact that ZZ-001-065 threaded ground rods do not have a tapered end, a special component  — a steel starting tip - is used to simplify the process of driving the rod into the soil. 

Threaded ground rods are mounted using a vibratory jackhammer. An SDS-max steel driving head adapted for jackhammers is available in our catalog for this purpose. Using the vibratory jackhammer and the reliable threaded connection you can drive the ground electrode into the soil to a depth of 40 meters (read more about the quality of materials).

Drill

b) As indicated above, inserted joint rods have a tapered end that allows an electrode to be driven in the soil without using any additional components. 
Typically, inserted joint rod-based ground electrodes are assembled using a hand sledgehammer.  Use a driving head installed in the blind hole of the inserted joint rod during assembly.

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However, you can also assemble inserted joint rods with a vibratory jackhammer. For this purpose, you will need a tip for the hammer driving head

And these are all the differences. It should be noted that both threaded and inserted joint rods have high performance, allowing ground electrodes on their basis to be used virtually in all types of soil *. 

 

Popular kits of threaded rods:
ZZ-000-015, ZandZ Universal grounding kit  (15 meters);
ZZ-000-030, ZandZ Universal grounding kit  (30 meters);
ZZ-000-045, ZandZ Multi-electrode grounding kit (15 electrodes 3 meters each).

Popular kid based on inserted joint rods:
    ZZ-6, ZANDZ HOUSE kit "Grounding in a private house" (6 meters)

Electrolytic grounding is used for the permafrost and rocky soils.

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