TRAFFIC CONTROL TELEPHONE SYSTEMS Circuit - Sam Hallas
TRAFFIC CONTROL TELEPHONE SYSTEMS Circuit - Sam Hallas
TRAFFIC CONTROL TELEPHONE SYSTEMS Circuit - Sam Hallas
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2.2 The wipers shall rotate smoothly and reliably when the nominal voltage is<br />
applied across the magnet coil interrupter contacts and a fixed resistor, all<br />
in series. The value of the fixed resistor is that shown in the following<br />
table:—<br />
3. Homing Test<br />
3.1 All selectors fitted with a homing arc shall home reliably and stop accurately<br />
on the home contacts with the test voltage, as specified below,<br />
applied to the magnet coil, interrupter contacts, homing arc and wiper all in<br />
series.<br />
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