Fuse and breaker: naming exercise and answer key, US style

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Fuse and breaker: naming exercise, US style, sheet 1 of 2

  1. Fig. 1

    Name

    Meaning

  2. Fig. 2

    Name

    Meaning

  3. Fig. 3

    Name

    Meaning

  4. Fig. 4

    Name

    Meaning

Notes

  1. Write the name of each symbol, and what it shows, on its lines.
  2. Write the name of each terminal in its box.
  3. Figs. 3 and 4 show the same symbols turned.
  4. The answers are on sheet 2.
Name
Class
Date
Sheet
1 of 2
Drawing
Fuse and breaker Naming exercise
Style
US style
From
circuitsymbols.com
Licence
CC BY 4.0

Fuse and breaker: answer key, US style, sheet 2 of 2

  1. Fig. 1

    12

    Name Fuse

    A fuse opens a conducting link when sufficient overcurrent heats the link until it melts.

  2. Fig. 2

    12

    Name Circuit breaker

    The overcurrent circuit breaker represented here opens its contacts automatically on overcurrent and can be reset.

  3. Fig. 3

    12

    Name Fuse

    A fuse opens a conducting link when sufficient overcurrent heats the link until it melts.

  4. Fig. 4

    12

    Name Circuit breaker

    The overcurrent circuit breaker represented here opens its contacts automatically on overcurrent and can be reset.

Notes

  1. Answer key for sheet 1. The Fig. numbers match the exercise.
  2. Rotating or mirroring a whole symbol, with its terminal identities and connections preserved, does not change the component. The terminal labels move with the drawing.
Name
Class
Date
Sheet
2 of 2
Drawing
Fuse and breaker Answer key
Style
US style
From
circuitsymbols.com
Licence
CC BY 4.0