1. Electrical grounding
Author: / Ronald P. O'Riley
Library: Library of Campus2 Colleges of Engineering of Tehran University (Tehran)
Subject: Electric currents -- Grounding,Electric wiring -- Safety measures
Classification :
TK
3227
.
O78
2002
2. Electrical grounding : bringing grounding back to earth : based on the 1987 National Electrical Code
Author: O'Riley, Ronald P., 4191-
Library: Library of Niroo Research Institue (Tehran)
Subject: ، Electric currents- Grounding,، National Fire Protection Association. $t National Electrical Code )7891(
Classification :
TK
3227
.
O78
1988
3. Electrical grounding :bringing grounding back to earth : based on the 1987 National Electrical Code
Author: Ronald P. O'Riley
Library: Central Library and Information Center of Shahed University (Tehran)
Subject: Electric currents--Grounding,National Fire Protection Association.--National Electrical Code (1987)
Classification :
TK
،
3227
،.
O78
،
1988
4. Electrical grounding: bringing grounding back to earth: based on the 1990 national electrical code
Author: O'Riley, Ronald P.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Grounding ، Electric currents
Classification :
TK
3227
.
O78
1990
5. lectrical grounding: bringing grounding back to earth...
Author: Riley, Ronald O, 4191-
Library: (Semnan)
Subject: ، Electric currents- Grounding
Classification :
TK
3227
.
O7E4
