How often must Type AC armored cable be secured?

Type AC armored cable must be secured at intervals not exceeding 4.5 feet. This requirement is important for ensuring the cable is properly supported and that there is minimal risk of damage or wear due to movement or strain. Proper securing prevents issues such as loosening or excessive bending, which can cause insulation damage, leading to potential electrical hazards.

Knowing the specific requirements for securing armored cable is vital for compliance with electrical codes and practices. It helps ensure safety in the installation and use of electrical systems. While options like 3 feet, 5 feet, and 6 feet might seem reasonable for securing different types of cables, the specific requirement for Type AC armored cable is established at 4.5 feet for safety and performance reasons.