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Old 05-31-2018, 04:39 AM   #1
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Talking Type B LED Tube New Revolution: Double-end powered, meet UL/ETL Type B certification


SA8.19 Risk of electric shock – relamping

SA8.19.1 As specified in Clause SA6.13.2, devices substituting for linear fluorescent lamps shall be evaluated for a possible risk of electric shock while installing, removing, or replacing the LED lamp device.

SA8.19.2 One end (lamp base) of the device under test shall be connected to its intended source of supply while the other end (lamp base) of the device shall be considered accessible and shall be connected to the shock hazard measurement meter circuit and, in turn, to earth ground as shown in Figure SA8.1. The current shall not exceed 5 M.I.U (7.07 peak M.I.U.).

SA8.19.3 The construction of the shock hazard measurement meter circuit, meter, and the explanation of M.I.U. measurement unit are described in UL 935.


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