Appendix part4

Rectifier, general

Arrow points in the direction of the current flow as indicated by a DC ammeter. Electron flow is in the opposite direction.

Figure-D-49-Rectifi-er-semiconductor[1]Figure-D-50-Rectifi-er-full-wave-briFigure-D-51-P-type-gate_thumbFigure-D-51a-N-type-gate._thumbFigure-D-52-TRIAC-rectifier_thumbFigure-D-53-Resistor-fi-xed._thumbFigure-D-54-Resistor-adjustable-rheo[2]Figure-D-55-Resistor-tapped._thumbFigure-D-56-Shielded._thumbFigure-D-56a-Shielded-with-ground._tFigure-D-57-Shunt-instrument._thumb

A shunt (Fig. D-57) is typically used on an ammeter or a current trans- former. A shunt should be installed on any secondary of a current trans- former when it is not connected to a load.

Solid-state-devices-or-elements_thum Figure-D-60-Limit-switch._thumbFigure-D-61-When-the-outputs-and-inp[1]Figure-D-62-Switch-single-throw_thumFigure-D-63-Switch-double-throw_thumFigure-D-64-Foot-switch-opened_thumbFigure-D-65-Foot-switch-closed-by-fo[1]Figure-D-66-Limit-switch-Normally_thFigure-D-67-Limit-switch-Normally_thFigure-D-68-Limit-switch-Normally_thFigure-D-69-Limit-switch-Normally_thFigure-D-70-Pressure-switch-open_thuFigure-D-71-Pressure-switch-closed-b[2]Figure-D-72-Switch-fl-oat-open-on_thFigure-D-73-Switch-fl-oat-close-on_tFigure-D-74-Switch-fl-ow-close-on_thFigure-D-75-Switch-fl-ow-open-on-fl-[1]Figure-D-76-Switch-temperature_thumbFigure-D-77-Switch-temperature_thumbFigure-D-78-Switch-master-four-posit

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