Exam 4: Symbols

The symbol for a____________- switch represents a bimetal helix.

The movable contact for a normally closed switch is drawn_________ .

Normally open switches are drawn with the movable contact above and touching the stationary contact.

Timed contacts are either normally open or normally closed.

One of the most used symbols in control schematics is the _________.

Mechanical connections are shown with__________ .

Schematics show components in their electrical sequence without regard for____________ .

Schematics are always drawn to show components in their de-energized or off state.

The most common coil symbol used in schematic diagrams is the rectangle.

The most standardized set of symbols in the United States is provided by the NEMA.