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- Can you use aluminum wire instead of copper to save cost?
Can you use aluminum wire instead of copper to save cost?
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You can use aluminum wire instead of copper, but there are certain limitations to consider. Aluminum is more affordable and lighter, making it a cost-effective choice for specific applications. However, it has higher electrical resistance, so a larger gauge is required to carry the same current as copper. It also requires special care at connection points to prevent oxidation and ensure safety.
Aluminum Wire Uses & Applications- Service entrance conductors
- Feeder circuits
- Large branch circuits (e.g., ranges, dryers, HVAC units)
- Overhead power distribution
Copper Wire Uses & Applications
- General branch circuits (e.g., outlets, lighting)
- High-reliability applications
- Areas with space constraints due to their smaller size for the same ampacity
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