 | Circuits, Formulas and Tables Electrical Engineering - Basic vocational knowledge (Institut für Berufliche Entwicklung, 201 p.) |
 |  | 3. Basic Circuits of Illumination Engineering |
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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
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