Tp-30 what is an important step in the fueling process

Answer;

Ensuring electrical switches are off

Explanation;

-Electrical Switches are electromechanical devices that are used in electrical circuits to control power, detect when systems are outside their operating ranges, signal controllers of the whereabouts of machine members and work pieces, provide a means for manual control of machine and process functions, control lighting, etc.

-Ensuring that electrical switches are off during the fueling process is important. Strict fire precautions must be adhered to during the fueling process. Smoking is not permitted in or around an aircraft during fueling. Also, open flames such as oil lanterns, candles, or matches are prohibited. Exposed electric switches, sliprings or commutators, dynamos or motors, spark producing electrical equipment, or any burning material must not be permitted within 100 feet of an aircraft being fueled or defueled.