Report on Transit Expressway, Phase II.
Electric resistance heaters are the second means of keeping the raceways free of ice. ... As shown in the switch logic schematic diagram, Fig. 5-21, the 110 V ac heater controls operate the 565 V ac line starters connected to the main switch logic power supply through 20 amp circuit breakers which are all located in theanbsp;...
| Title | : | Report on Transit Expressway, Phase II. |
| Author | : | |
| Publisher | : | - 1973 |
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