3.4. Staircase Lighting Circuits

staircase lighting circuit with
four-way switch (all-pole)

staircase lighting circuit with
four-way switch (single-pole)

staircase lighting circuit with
four-way switch (switch positions)

staircase circuit with automatic
unit (all-pole)

staircase circuit with automatic
unit (single-pole)
t = automatic staircase lighting switch
unit