Hal Stroube, 62, the head of Hal Stroube Communications, a public relations firm, and a former director of communications for the Potomac Electric Power Co., died of pneumonia July 21 at his home in Washington.

Mr. Stroube was the chief spokesman for Pepco from 1972 to 1977. He then became vice president and Washington director of Underwood, Jordan Associates, a public relations firm based in New York. He founded his own company in 1981 and specialized in working with public utilities.

Mr. Stroube was born in Indianapolis. During World War II, he went into the Army and became a finance officer. He served in Germany and in 1950 retired for reasons of health with the rank of warrant officer.

He moved to Cairo, Ill., where he was city editor of the Cairo Evening Citizen and a radio sportscaster. In 1954, he joined the Bechtel Corp. in San Francisco and edited the company magazine, "Bechtel Briefs." In 1962, he went to work for the Pacific Gas and Electric Co. and headed its nuclear information program.

In 1972, he moved to Washington and joined Pepco.

Mr. Stroube was a member of the Public Relations Society of America, the Public Utilities Communicators Association and the National Press Club.

His marriage to the former Mary Alice Bloss ended in divorce.

Survivors include his wife, Rosalie, of Washington; two daughters by his previous marriage, Mary K., of Sacramento, Calif., and Laura, of Washington; three stepchildren, Trey Taylor of Washington, and Todd and Caprice Taylor, both of Portland, Ore.; his parents, retired Army Col. and Mrs. E.O. Stroube of Dallas; a sister, Johanna Zubras, also of Dallas, and four stepgrandchildren.