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nVent CADDY CP Series Silicon Bronze Ground Rod Clamp
The nVent CADDY CP Series is a line of Silicon Bronze ground rod clamps engineered to secure a grounding conductor to a ground rod, providing a reliable mechanical and electrical connection for grounding electrode systems. This family is available in 5/8-Inch and 3/4-Inch trade sizes, giving installers the flexibility to match the clamp to the ground rod diameter used on the job. Each clamp accommodates a wire range from 10-AWG Solid to 1/0-AWG Stranded, covering common grounding conductor sizes used on residential, commercial, and industrial installations. The Silicon Bronze body resists corrosion in below-grade, outdoor, and damp grounding applications, helping maintain a dependable, low-resistance ground path over the life of the installation.
Key Features
- Trade Size: Available in 5/8-Inch and 3/4-Inch rod sizes to match common grounding electrode diameters.
- Durable Construction: Silicon Bronze material delivers strong corrosion resistance for long-term outdoor, damp, and below-grade grounding connections.
- Wire Range: Accepts conductors from 10-AWG Solid through 1/0-AWG Stranded, covering a wide range of grounding conductor sizes.
- Clamp Design: The CP Series clamp configuration secures the grounding conductor directly to the ground rod for a dependable mechanical and electrical bond.
- Grounding Application: Suited for connecting grounding electrode conductors as part of a building, service entrance, or equipment grounding system.
- Field-Ready Installation: Simple clamp assembly allows electricians to make a secure ground rod connection without specialized tooling.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Typical Applications
- Grounding Electrode Systems
- Electrical Service Entrance Grounding
- Ground Rod Connections
- Commercial and Industrial Electrical Installations
- Residential Electrical Grounding
- New Construction and Retrofit Grounding Upgrades
Why nVent CADDY?
The nVent CADDY CP Series ground rod clamps are built from Silicon Bronze for a corrosion-resistant grounding connection that professionals can rely on for code-compliant electrical work. As part of the nVent CADDY line of grounding and bonding products, the CP Series delivers a secure, durable mechanical and electrical bond between the grounding conductor and the ground rod across both 5/8-Inch and 3/4-Inch sizes. Choose the nVent CADDY CP Series for a dependable, long-lasting component in your grounding electrode system.
Manufacturer Resources
nVent CADDY Full Catalog
Product Specs
- list_batch:
- CDY-20260915
- Product Type:
- Ground Clamp
- Series:
- CP Series
- Department:
- Electrical
- Product Group:
- Grounding & Bonding
- Product Subgroup:
- Grounding & Bonding
- Product Material:
- Silicon Bronze
nVent CADDY CP34 – Frequently Asked Questions
1) Which nVent CADDY CP ground rod clamp do I need for a 5/8 inch ground rod?
Order the CP58. The CP Series comes in two trade sizes matched to the rod diameter: CP58 for 5/8 inch rods and CP34 for 3/4 inch rods. 5/8 inch is the most common driven rod size on residential and commercial service grounds, so CP58 covers most jobs. Measure the rod before ordering, because the clamp body is sized to the rod and a 3/4 inch clamp will not tighten properly on a 5/8 inch rod.
2) What size grounding conductor will the CADDY CP clamp accept?
The CP Series clamp takes conductors from 10 AWG solid through 1/0 AWG stranded. That range covers a #6 copper grounding electrode conductor for a typical residential service as well as the larger #4, #2 and 1/0 conductors used on bigger commercial and industrial services. Both the 5/8 inch and 3/4 inch versions share the same wire range.
3) Is a silicon bronze ground rod clamp OK to use direct burial below grade?
Silicon bronze is the material used for the CP Series body specifically because it resists corrosion in below-grade, outdoor, and damp locations. That matters on a grounding electrode connection, where the clamp sits in soil for the life of the building and a corroded connection raises resistance in the ground path. Bronze is also the right pairing with a copper-bonded rod and copper conductor, since mixing dissimilar metals at a buried connection is what drives galvanic corrosion.
4) Do I need special tools to install the CADDY CP ground rod clamp?
No special tooling. The CP Series is a mechanical clamp, so an electrician makes the connection by setting the conductor and tightening the clamp with hand tools in the field. That is the practical difference from an exothermic or compression ground connection, which needs a mold and powder or a hydraulic crimper. If your spec calls for an irreversible connection, a mechanical clamp like this is not the right choice.
5) What is the part number difference between CP58 and CP34 on nVent CADDY ground rod clamps?
The suffix is the rod trade size. CP58 is the 5/8 inch clamp and CP34 is the 3/4 inch clamp. Both are silicon bronze, both are part of the CADDY CP Series, and both accept 10 AWG solid through 1/0 AWG stranded conductors, so trade size is the only ordering decision between them.
6) Can I use this clamp to connect a grounding electrode conductor at the service entrance?
That is the intended use. The CP Series bonds a grounding electrode conductor to a driven ground rod as part of a building or service entrance grounding electrode system, and it is also used for equipment grounding connections to a rod. It is a rod-to-conductor clamp only, so it is not the fitting for bonding to water pipe, rebar, or structural steel.
7) Will the CADDY CP clamp work on a retrofit where the rod is already driven?
Yes. The clamp attaches to an existing rod above the point you can reach, so it is used on grounding upgrades and retrofits as well as new construction. Confirm the installed rod diameter first, since a 5/8 inch rod needs CP58 and a 3/4 inch rod needs CP34.
How fast can I get the nVent CADDY CP34 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the nVent CADDY CP34 come with a warranty?
Absolutely. The nVent CADDY CP34 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the nVent CADDY CP34?
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