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Halaman 708
1 3 1 it had been practically eliminated by insulating years ago that " digestion " of wood pins constithe pole grounding wire to a point below the tuted a serious objection to their use on higher crossarms . voltages .
1 3 1 it had been practically eliminated by insulating years ago that " digestion " of wood pins constithe pole grounding wire to a point below the tuted a serious objection to their use on higher crossarms . voltages .
Halaman 723
GROUNDING OF INSULATOR PINS AND HANGERS ON WOOD POLE LINES — TABULATION OF REPLIES Conclusions as to grounding of pins or hangers ... Better insulator performance , but weak mechanically and weakens crossarms owing to large pin hole .
GROUNDING OF INSULATOR PINS AND HANGERS ON WOOD POLE LINES — TABULATION OF REPLIES Conclusions as to grounding of pins or hangers ... Better insulator performance , but weak mechanically and weakens crossarms owing to large pin hole .
Halaman 725
Conclusions as to grounding of pins or hangers Remarks on use of wood pins Strongly favor ungrounded pins and hangers . Much more insulation required with grounded pins , and somewhat more with ungrounded steel arms than with wood arms ...
Conclusions as to grounding of pins or hangers Remarks on use of wood pins Strongly favor ungrounded pins and hangers . Much more insulation required with grounded pins , and somewhat more with ungrounded steel arms than with wood arms ...
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amount arms arrangement average boiler burners capacity carried cause cent circuit close coal Committee Company conductor connection considerable construction cost covering desired draft economizer effect efficiency Electric Engineering equipment experience feed feet fire fuel furnace give given ground wires heat higher hour important inch increased indicate installed insulators interest iron less Light lignite limit load loss lower manufacturers material means mechanical method necessary obtained operation pins pipe plant poles possible practice present pressure problem production pulverized pump reduced removed shown shows specifications standard station steam steel stoker superheat supply surface TABLE tank temperature tion treated treatment trouble tubes turbine units usually valve voltage wood