International Library of Technology · Scranton, International Textbook Co. · leaf 251
Fig. 33. freely, a little larger one is used. Fig. 32 shows anotherform of protected bond. This bond has a stranded con-ductor, but solid terminals, and the bond itself is quite short. … 32 ELECTRIC RAILWAYS. §32 33. Fig. 33 shows a style of bond known as the plasticbond from the fact that the medium of contact is a paste or amalgam and is therefore plas-tic. This bond has the uniquefeature that the fish-plate it-self is used as the bond proper,the plastic part merely insur-ing…
Electrical engineering
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