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A closer look at Copperweld® CCA Building Wire for
As codes evolve and Copper-Clad Aluminum (CCA) adoption continues, AHJs and inspectors are seeking clear, science-based guidance to evaluate CCA consistently and confidently.
Copperweld Copper-Clad Aluminum (CCA) Building Wire is built on a long-standing foundation of safety, innovation, and code compliance, ensuring quality and reliability through state-of-the-art manufacturing, continuous research, and extensive third-party testing.
As the global leader in bimetallic conductor technology, Copperweld brings more than a century of metallurgical expertise — delivering building wire solutions designed for consistency, reliability, and confidence in inspection.
Copperweld offers a CCA-focused Continuing Education (CE) training program that equips teams for confident inspections in the field.
Earn ICC CEUs with Copperweld’s CCA training course:


600V | Premium Copper-Clad Aluminum (CCA) Building Wire
Standards:
UL 83, UL 719, UL 1581, UL 2556; ASTM-B-566
Listing:
UL: E538020, E510284, E492024; ETL: 5021266; RoHS Compliant, REACH Compliant
Applications:
Refer to Article 334 of the NEC

600V | Copperweld Copper-Clad Aluminum (CCA) Building Wire
Standards:
UL 83, UL 1569, UL 1581, UL 2556, NFPA 70 (NEC®), ASTM B566
Listing:
UL: E510284, E523379, E538020; ETL: 5021266; RoHS Compliant; REACH Compliant
Applications:
Refer to Article 330 of the NEC

600V | Metal-Clad Cable with Power and Control/Signal Element
Standards:
UL 66, UL 83, UL 1569, UL 1581, UL 2556, ASTM B566
Listing:
UL: E523379, E510284 and E538020; RoHS Compliant; REACH Compliant
Applications:
Refer to Article 330 and 725 of the NEC. For applications suited for cables with LV power with control/signal/lighting conductors. Power and/or lighting circuits, as well as signal and/or control circuits, meet the requirementsof NEC Section 725.

600V | Metal-Clad Cable for Healthcare Facilities
Standards:
UL 83, UL 1569, UL 1581, UL 2556, ASTM B566, ASTM B800
Listing:
UL: E510284, E523379, E538020; RoHS Compliant; REACH Compliant
Applications:
Refer to Article 330 and 517 of the NEC. Suitable for use in “Patient Care” areas of hospitals and health care facilities.

600V | Metal-Clad Cable for Healthcare Facilities with Power and Control/Signal Element
Standards:
UL 66, UL 83, UL 1569, UL 1581, UL 2556, ASTM B566, ASTM B800
Listing:
UL: E510284, E523379, and E538020; RoHS Compliant; REACH Compliant
Applications:
Refer to Article 330 and 517 of the NEC. Suitable for use in “Patient Care” areas of hospitals and health care facilities. Power and/or lighting circuits, as well as signal and/or control circuits, meet the requirements of NEC Section 725.136.

600V | Metal-Clad Cable with Armor as a Component of the Ground Path
Standards:
UL 83, UL 1569, UL 1581, UL 2556, ASTM B566, ASTM B800
Listing:
UL: E510284, E523379, and E538020; RoHS Compliant; REACH Compliant
Applications:
Refer to Article 250.118 of the NEC for installations where armor is allowed as a component of the ground path.

600V | Copperweld Copper-Clad Aluminum (CCA) Building Wire
Standards:
UL-83, UL-1581, ASTM B566
Listing:
UL: E510284 and E538020; ETL: 5021266; RoHS Compliant, REACH Compliant
Applications:
Refer to Article 310 of the NEC.

600V / 1000V | Copper-Clad Aluminum (CCA) Building Wire
Standards:
UL 44, UL 1581, ASTM B566
Listing:
UL: E483554, E538020
Applications:
Refer to Article 310 of the NEC.

600V / 1000V | Aluminum Building Wire
Standards:
UL 44, UL 1581, ASTM B800, ASTM B801
Listing:
UL: E483554
Applications:
Refer to Article 310 of the NEC.

600V | Copperweld Copper-Clad Aluminum (CCA) Building Wire
Standards:
UL-83, UL-493, UL-1581, UL-2556, ASTM-B-566
Listing:
UL: E539738, E538020, E510284; ETL: 5021266; RoHS Compliant; REACH Compliant
Applications:
Refer to Article 340 of the NEC.

600V | Pressure Type for Copper-Clad Aluminum (CCA)
Standards:
Certified in UL 486C; Conforms to CSA STD C22.2# 188
Listing:
UL: E546947 (CWLD13, CWLD99); ETL: 5027144 (CWLD12, CWLD13, CWLD17)
Applications:
Listed for use as a pressure-type wire connector on the following solid and/or stranded: Copper (CU) to Copper (CU) or Copper-Clad Aluminum (CC) to Copper-Clad Aluminum (CC) or Copper (CU) to Copper-Clad Aluminum (CC).

600V | Spring-action Clamp Type for Copper-Clad Aluminum (CCA)
Standards:
Listed to UL STD 486C; Certified by UL to CSA STD C22.2 #188 for Cu to Cu
Listing:
UL: E546947
Applications:
Listed for use as a spring-action clamp type wire connector on the following solid and/or stranded: Copper (CU) to Copper (CU) or Copper-Clad Aluminum (CC) to Copper-Clad Aluminum (CC) or Copper (CU) to Copper-Clad Aluminum (CC).