f 1 June 2, 1960 R.

National Electrical Code 1968 Edition A USA Standard NFPA No. 70-1968; USAS Cl-1968 (Rev. of Cl-1965) 70-1 1968 Edition of National Electrical Code This 1968 Edition of the National Electrical Code (N FPA No. 701968; USAS Cl-1968) was adopted by the National Fire Protection As sociation at its Annual Meeting held May 20-24, 1968 in Atlanta, Georgia and approved by the United States of America Standards Insti tute on July 11, 1968.

Kett er in g la b o r a to r y EDEN AND BETHESDA AVENUEG CINCINNATI, OHIO 4 3 2 IB U N IV ER SIT Y O F CIN CIN N A TI COLLEGE OF MEDICINE DEPARTMENT OF ENVIRONMENTAL HEALTH September 11, 1968 Mr.

MEDICAL DEPARTMENT .

November 2, 1964 David H.

THE UNIVERSITY OF BRITISH COLUMBIA VANCOUVER 8, CANADA DEPARTMENT OF CEOLOGV March 10, 1965 Dr.

July 2, 1963 Professor Harry V.

f 1 June 2, 1960 R.

March 18, 1966 Dr.

January 23, 1964 Harry V.

February 22, 1963 J.

THE UNIVERSITY OF BRITISH COLUMBIA VANCOUVER 8, CANADA DEPARTMENT OF GEOLOGV May 5, 1965.

June 24, 1966 R.

SCIENCE SERVICE P C ?

March 5* 1965 Professor Harry V.