Question 21Electricity & Electronics - 1st Asst/Chief

The correct answer is B. The symbol shown in the illustration EL-0005 that represents a standard normally closed relay contact is the symbol F. This is the correct symbol based on the standard electrical schematic symbols used in the US Coast Guard Captain's License Examinations. The other options, A, C, and D, represent different electrical components and do not depict a normally closed relay contact. Option B, the symbol F, is the appropriate representation of a standard normally closed relay contact in the context of this examination.