Question

Tubing installed in residential buildings must be identified at least every ___ feet?

a) 5
b) 10
c) 15
d) 20

Answer 1

Tubing installed in residential buildings is generally required to be identified every 10 feet, aligning with common building codes such as the NEC.

Step-by-step explanation:

The question pertains to the identification frequency of tubing installed in residential buildings. In accordance with most building codes and standards, such as the National Electrical Code (NEC), tubes, conduits, and cables are required to be identified at specific intervals to ensure safety and facilitate maintenance. While the exact requirements can vary based on the specific application and jurisdiction, a common interval for identification is every 10 feet.