If the power source is a listed Class 2 transformer or listed Class 2 power supply — or it’s in listed equipment marked to identify the Class 2 power source — you’ve got a Class 2 circuit between the ...
Article 725 provides the requirements for Class 2 circuits in Part III. The definitions for Class 2 circuits can be found in Art. 100. In the November 2020 issue, we discussed the general requirements ...
One of the most commonly asked questions of our hard working editorial team at Cyclingnews is, "What do the weird numbers e.g. 1.1, 2.UWT, CM etc. beside the race names mean?" The UCI has ...