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LED luminaires are classified into four categories according to their insulation properties, i.e. Class 0, Class I, Class II and Class III luminaires. What is the difference between them? Since Class 0 fixtures are not used much, we only discuss Class I, II and III here.

Refers to the luminaires of the protection against electric shock not only rely on basic insulation, but also includes additional safety measures, that is, easy to reach the conductive parts connected to the fixed line in the protective grounding conductor, so that accessible conductive parts in the unlikely event of failure of the basic insulation will not be electrically charged. This means that the luminaire then has an ground wire or a terminal for the ground wire.

The protection against electric shock relies not only on the basic insulation but also on additional safety measures such as double insulation or reinforced insulation, but there is no grounding or protection dependent on the conditions of installation. This means that Class II luminaires do not have a ground wire.

To obtain the Class II certification, the LED lamps must be used with a reliable Class II driver, recognising the concentric circles of the ‘◎’ symbol. the ROKEE PL-01-G3 and PL-01-G7 series of LED street lights are available in the ClassII version and have obtained the relevant certifications.

The protection against electric shock relies on the Driver voltage being a Safe Extremely Low Voltage (SELV), which does not generate a voltage higher than SELV, which is defined in the relevant standards as a voltage not exceeding 25VAC or 60VDC. ROKEE's Solar Flood Lights and Solar Street Lights are Class III luminaires.

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