The fund normally invests at least 80% of its net assets in securities of issuers in the utilities industry. Issuers in the utilities industry include issuers engaged in the manufacture, production, generation, transmission, sale or distribution of electric, gas or other types of energy, water or other sanitary services; and issuers engaged in telecommunications, including telephone, cellular telephone, satellite, microwave, cable television, and other communications media (but not engaged in public broadcasting).