"United States. Office of Vocational and Adult Education." . . "National Institute of Education (U.S.)" . . "Electric wiring." . . "Education, Secondary Curricula." . . . . . . "Electricity, residential wiring secondary schools : curriculum guide"@en . . . . . . "Electricity, residential wiring secondary schools curriculum guide"@en . . . . . . . . . . . . "Education, Secondary Curricula United States." . . . . "United States." . .