Bar-to-ground rod exothermic welding molds are purpose-built graphite molds for joining copper bars or flat conductors to ground rods with a permanent molecular bond.

Unlike mechanical clamps or bolted lugs, an exothermic bar-to-rod weld creates a low-resistance, corrosion-resistant connection that does not loosen under soil moisture, thermal cycling, or fault current.

If you are sourcing exothermic welding molds Bar-to-Ground-Rod BR1, BR2, BR3, this category covers the standard connection styles.

1. BR Models
2. Applications
3. Select a model
4. Design / Mfg. / Weld Powder
5. Request a quote

Bar-to-Ground-Rod Connections

This range focuses on commonly requested Bar-to-Ground Rod mold codes:

• BR1 — bar-to-ground rod joints for lighter grounding bars and smaller rod diameters
• BR2 — mid-range connections for standard copper bar and ground rod sizes in earthing grids
• BR3 — heavier bar sections and larger rod diameters where weld volume and mold cavity size must match higher-capacity conductors

Exact mold selection depends on bar width, thickness, rod diameter, and joint type. Share your conductor dimensions and connection sketch, and we will confirm the correct BR mold, welding powder charge, and handle/frame accessories.

Watch a video : 3 benefits for you to use our molds.

Applications

BR bar-to-ground rod molds are widely specified for:

• Copper grounding grid bar-to-rod terminations
• Substation earthing bar and ground rod bonding
• Lightning protection down-conductor connections to driven rods
• Industrial plant and outdoor grounding where bolted rod clamps are not preferred

Because the finished weld is permanent, these molds are preferred on projects that prioritize long-term electrical continuity and reduced maintenance.

Choose

To choose among BR1, BR2, and BR3, confirm:

1. Conductor size — bar width × thickness and ground rod diameter
2. Joint orientation — tee, side-tap, or end-to-rod layout
3. Powder size — matched weld metal volume for a complete fill

Using the wrong cavity size is the most common cause of incomplete welds. If your bar or rod size sits between two codes, request a size chart before ordering.

Design / Mfg. / Weld Powder

1. How we design and manufacture the molds ? > Watch video
2. How our exothermic welding powder works with the molds? > Watch video

Enquire

Send your conductor sizes, quantity, and destination port.

We can provide mold recommendations, powder pairing, and a formal quotation for contractors, distributors, and grounding system integrators.

Lucas
Product Manager & Marketing
EarthinGo Team