. A textbook on electric lighting and railways. International correspondence schools, Scranton, Pa. v. 1-3, 5 . Ri Its M/WWWWWW ^R2 24 ELECTRIC RAILWAYS. 51. Ri B3 ■17-18-F^ + -F^ - -A^ - -A^+ to 5*^. In Fig. M\ the No. 1 motor is shown cut out; itsplug has been given a ([uarter-turn, breaking all connectionbetween posts 13 and J4, Tand making a connectionbetween the lower posts13 and 16, thereby leav-ing the two ends of theNo. 1 motor, connectedto posts i// and /.:, hang-ing in the air, as it No. 1 motor is,therefore, cut out be-cause it can get no cur-rent. The path of thecurrent in
. A textbook on electric lighting and railways. International correspondence schools, Scranton, Pa. v. 1-3, 5 . Ri Its M/WWWWWW ^R2 24 ELECTRIC RAILWAYS. 51. Ri B3 ■17-18-F^ + -F^ - -A^ - -A^+ to 5*^. In Fig. M\ the No. 1 motor is shown cut out; itsplug has been given a ([uarter-turn, breaking all connectionbetween posts 13 and J4, Tand making a connectionbetween the lower posts13 and 16, thereby leav-ing the two ends of theNo. 1 motor, connectedto posts i// and /.:, hang-ing in the air, as it No. 1 motor is,therefore, cut out be-cause it can get no cur-rent. The path of thecurrent in this case isT-R-R-K-I3-16-K-R^-the ground at (t. 53. Fig. o7 shows the No. 1 motor cut in and the No. 2motor cut out. In lliis case, a ([uarter-turn on plug No. 2 has broken the connectionbetw^cen posts 17 and 18and made connection be-tween posts 17 and 1!) di-rect to the ground at end of the No. 2 motoris left hanging in the airat i)ost IS, and the otherend is grounded throughits permanent g r o u n dconnection. The motor iscut out and therefore path of the current inthis case is r-/\^—J,+ , 15-1U-R-R-17-19 to earth KALEVI
Size: 1576px × 1585px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectelectri, bookyear1901
