What is the minimum recommended wire gauge for fans used in airtightness testing?

The minimum recommended wire gauge for fans used in airtightness testing is 12-14 gauge or heavier because this range provides a balance of sufficient current-carrying capacity and flexibility. Using a thicker wire minimizes voltage drop, which is critical when operating fans that require substantial energy to maintain proper airflow during testing. Thicker wires are also more durable and resistant to overheating, ensuring safety and reliability during tests.

In the context of airtightness testing, where precise measurement of air leakage is essential, maintaining the efficiency and performance of the testing equipment is crucial. Therefore, using wire that meets or exceeds the 12-14 gauge standard ensures that the fans operate optimally and deliver accurate test results.