01017nam0-22003131i-450-99000051389040332120070608134208.01-55937-141-2000051389FED01000051389(Aleph)000051389FED0100005138920020821d1992----km-y0itay50------baenga-------001yyIEEE recommended practice for grounding of industrial and commercial power systemsInstitutte of electrical and electronics engineers[New York]IEEEc1992234 p.ill.25 cmIEEE Std 142-1991 (revision of IEEE Std 142-1982)In copertina "IEEE green book"Corrente elettrica - messa a massa - Standard621.31'7Institute of Electrical and Electronics EngineersITUNINARICAUNIMARCBK99000051389040332110 D II 5211732 DEEDINELDINELUNINA