The troupe is called Light Wire, and their show has to be seen to be believed. The movements of four dancers onstage cascade from LED lights on their costumes up to larger-than life light ...

On our lightbulb, L1 and L2 are the 120-V power source used to light the bulb. L1 is commonly referred to ... (See Figure 4, page 20.) This wiring diagram shows 120 V coming from L1 of a circuit ...