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How to Select a Mold

We've got the mold that's right for you.

Selecting the right mold, weld metal and tools for your application is critical. We have designed over 45,000 connections, and "specials" are designed every day.

Select the right mold every time by using our online mold selection tool.

Standard Molds

Select a mold type below to pick the right mold, step by step.

nVent ERICO Cadweld graphite molds are designed and engineered for thousands of connection styles and conductor combinations. Find our most common mold styles here. 


Smart Part Numbering System

nVent ERICO Cadweld uses a smart part numbering system to give complete information about the mold at a glance.


Our smart part numbering system and common mold selector makes it quick and easy to choose the best connection for your project.  

Specialized Molds

Do you have an application that is more specialized? Take a look at additional engineered mold types that nVent ERICO offers.

Are you making a connection to an existing grounding grid where conductors may be corroded?

nVent ERICO Heavy-Duty Molds

Heavy-duty connections use a larger size connection cavity in the mold and larger welding material than the equivalent standard-duty connection.

Select a Heavy Duty Mold

Are you making just a few connections and want the convenience of a one-use disposable mold?

nVent ERICO Cadweld One Shot

The nVent ERICO Cadweld One Shot is a convenient, single-use ceramic mold and welding material connection package designed primarily to connect small conductors to each other or to a ground rod.

Select a Cadweld One Shot

Are you making a connection on a railway?

nVent ERICO Cadweld for Rail

nVent ERICO has molds specifically designed for use in rail applications, along with our F80 weld material designed for use on tracks.

Select a CadwelD for rail mold

Are you making a connection indoors, perhaps in a data center where no emissions are permitted?

nVent ERICO Cadweld Exolon for Reduced-Emissions

Designed and engineered to virtually eliminate reaction smoke. A unique electronic starting system makes this ideal for sensitive applications.

Select a cadweld exolon model

Are you making a connection from a cathodic protection anode lead to a pipe?

nVent ERICO Cadweld Cathodic Protection Molds

nVent ERICO Cadweld cathodic protection connections are designed and engineered for pipelines and metal structures requiring corrosion protection. They use a special welding material alloy to minimize heat effect on steel pipes.

Select a Cathodic Mold

Are you making a high-voltage connection?

nVent ERICO High Voltage Molds

Better than mechanical connections and less labor intensive than MIG (metal inert gas) or TIG (tungsten inert gas) welding, nVent ERICO Cadweld connections are ideal for high-voltage applications.

Select a High-Voltage Mold

Mold Selection Resources

Need assistance choosing the right mold for your application?