FIELD: lighting.
SUBSTANCE: according to one version, a lamp device (1) is provided which has a lighting module (3) and two pairs of external connecting pins (5aa, 5ab, 5ba, 5bb) to connect the lamp device to the lighting fixture supply voltage. The first clamp of the lighting module is connected to the pin of the first pair of pins by a switch which is closed in response to the voltage difference between the pins of the first pair and the pins of the second pair exceeding the corresponding threshold voltage.
EFFECT: increased safety of use.
15 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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RU2621059C1 |
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|
RU2031554C1 |
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RU2296402C1 |
