Copperweld® CCA Building Wire for

Residential Construction

Row of unfinished wooden houses under construction with exposed framing and pitched roofs.
Interior of a wooden frame house under construction with exposed studs, stairs, and concrete floor.
Aerial view of residential construction site with houses in various building stages around a curved road.
A residential neighborhood with multiple two-story houses, green lawns, trees, and curved streets.
Aerial view of a suburban neighborhood with multiple houses, green lawns, and partly cloudy sky.
Row of wooden framed houses under construction next to finished modern townhomes on a clear day.

Upgrade your building wire

The electrical demands of residential construction are evolving, and so are the materials behind them.

Builders and electrical contractors must balance tight project budgets, efficient installation, and protection against material loss that can disrupt cycle times. Copperweld Copper-Clad Aluminum (CCA) Building Wire supports these demands by helping teams stabilize material costs, reduce theft incentives, and streamline installation across residential projects.

As the global leader in bimetallic conductor technology, Copperweld brings more than a century of metallurgical expertise to residential building — delivering wire solutions designed to help crews stay on schedule, control material costs, and avoid disruptions that impact project timelines.

Large modern house with covered patio featuring outdoor dining and seating areas on a green lawn.Interior of a wooden frame house under construction with exposed studs, stairs, and concrete floor.A residential neighborhood with multiple two-story houses, green lawns, trees, and curved streets.Row of modern white townhouses with black trim, large windows, small trees, and black fences.

Smarter building comes down to the wire

Radial brushed metal texture with a silver-gray finish and a central focal point.
Cost Stability
Copperweld CCA Building Wire's bimetallic construction helps reduce exposure to copper price volatility while supporting more predictable project budgeting.
Radial brushed metal texture with a silver-gray finish and a central focal point.
Reduced Theft Incentives
CCA’s bimetallic construction and lower scrap value reduce theft incentives compared to solid copper conductors, helping minimize material loss and avoid disruptions that can impact residential build schedules.
Radial brushed metal texture with a silver-gray finish and a central focal point.
Installation Efficiency
When upsized per NEC requirements, CCA offers lighter weight and improved flexibility for easier handling, simplifying installation and improving efficiency across residential job sites.
Radial brushed metal texture with a silver-gray finish and a central focal point.
Efficient Electrical Performance
When sized per code, CCA provides reliable current-carrying performance, improved thermal characteristics, and reduced voltage drop compared to traditional electrical systems.
Radial brushed metal texture with a silver-gray finish and a central focal point.
Specification Confidence
Recognized in the National Electrical Code since 1971 and UL and ETL listed, Copperweld’s bimetallic construction delivers consistent electrical and mechanical performance across residential applications.

Residential Building Wire Products

NM-B Cable

Used in residential and qualifying light commercial applications, Copperweld CCA NM-B supports predictable project costs, reduced theft-related disruptions, and familiar installation practices.

UF-B Cable

Designed for direct burial and wet location installations, Copperweld CCA UF-B Cable provides durable performance in outdoor and underground environments while helping manage cost and support efficient electrical performance.

Thermostat & HVAC Cable

Built for modern HVAC and control system installations, Copperweld CCA Thermostat & HVAC Cable supports dependable low-voltage performance across long runs.

Bell Wire

Specified for low-voltage signal and control applications, Copperweld CCA Bell Wire provides reliable performance for doorbells, alarms, and communication circuits.

Metal-Clad Cable

Designed for branch circuits and feeder runs, Copperweld CCA Metal-Clad Cable supports efficient installation on long pulls and multi-level builds while helping manage costs and deliver reliable electrical performance.

THHN/THWN-2

Specified for conduit-based feeders and branch circuits, Copperweld CCA THHN/THWN-2 provides dependable electrical performance while helping reduce exposure to copper price volatility.

Twist-on Splice Connectors

Engineered for use with Copperweld CCA conductors, these twist-on splice connectors support secure, code-compliant mechanical connections in residential and commercial branch circuit installations.

Push-in Splice Connectors

Engineered for use with Copperweld CCA conductors, these push-in splice connectors enable fast, secure, code-compliant connections in residential and commercial branch circuit installations.

Residential Building Wire Resources

Quotes and orders

Copperweld's friendly sales team is ready to fill your order or help you select products to deliver the performance you need.

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