Convention, Volume 1;Volume 31 |
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Halaman 70
... wires will be at the points of a triangle is common . Provision is frequently made for two transmission circuits on the same pole line , one on each side of ... wires , the separation between the different sets of wires must be ample to 70.
... wires will be at the points of a triangle is common . Provision is frequently made for two transmission circuits on the same pole line , one on each side of ... wires , the separation between the different sets of wires must be ample to 70.
Halaman 502
... wire and because of the danger of shocks to the linemen . When overhead ground wires were first installed , barbed wire or small iron wire was used . As soon as the wire was weakened by rust it began to break frequently , and caused con ...
... wire and because of the danger of shocks to the linemen . When overhead ground wires were first installed , barbed wire or small iron wire was used . As soon as the wire was weakened by rust it began to break frequently , and caused con ...
Halaman 545
... wires ; pro- vided such electric light wires and connections are so constructed , placed and maintained as to conform to the following require- ments : Where such electric light wires or connections are run through telephone lines the ...
... wires ; pro- vided such electric light wires and connections are so constructed , placed and maintained as to conform to the following require- ments : Where such electric light wires or connections are run through telephone lines the ...
Isi
Conventions of the Association | xxxi |
Members CompaniesClass A | xxxvii |
MembersClass B | lv |
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