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  1. ErichN

    Non listed sensors in class 2 circuit permited?

    Hello, we are using different types of sensors in our maschine. encoders, light barriers etc. Now we want to sell the machine in the USA. We are now looking for UL-Listed/recognized parts. But we want to use also non listed parts. Does the NEC permit the use of non listed/recognized sensors...
  2. ErichN

    Class 2 components, NEC requirement low voltage

    Hello, we are using different types of sensors in our maschine. encoders, light barriers etc. Now we want to sell the machine in the USA. We are now looking for UL-Listed/recognized parts. Does the NEC permit the use of non listed/recognized sensors (24V), that are supplied from a class 2...

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