Basic Circuits of Illumination Engineering

3. Basic Circuits of Illumination Engineering

3.1. Circuit-breaking Arrangements

cut-out, schematic diagram (all-pole)

cut-out, schematic diagram (single-pole)

plug socket with protective contact (all-pole)

plug socket with protective contact (single-pole)

plug socket with protective contact and separate protective conductor (all-pole)

plug socket with protective contact and separate protective conductor (single-pole)

Cut-cuts with plug socket (all-pole)

Cut-cuts with plug socket (single-pole)

two-pole cut-out (all-pole)

two-pole cut-out (single-pole)

three-pole cut-out (all-pole)

three-pole cut-out (single-pole)

3.2. Series Circuits

multi-circuit switch -also know as series switch-, schematic diagram (all-pole)

multi-circuit switch -also know as series switch-, schematic diagram (single-pole)

series switch with plug socket (all-pole)

series switch with plug socket (single-pole)

3.3. Two-way Switching Circuits

two-way switch, schematic diagram (all-pole)

two-way switch, schematic diagram (single-pole)

two-way switch with plug socket (all-pole)

two-way switch with plug socket (single-pole)

two-way switch, economy circuit, schematic diagram (all-pole)

two-way switch, economy circuit, schematic diagram (single-pole)

two-way switch with four-way switch, schematic diagram (all-pole)

two-way switch with four-way switch, schematic diagram (single-pole)

two-way switch with four-way switch (all-pole)

two-way switch with four-way switch (single-pole)

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

3.5. Fluorescent Lamp Circuits

fluorescent lamp at single-phase mains (single-pole)

fluorescent lamp at single-phase mains (all-pole)

fluorescent lamp in lead-lag connection (single-pole)

fluorescent lamp in lead-lag connection (all-pole)

fluorescent lamp at three-phase mains (all-pole)

fluorescent lamp at three-phase mains (single-pole)