Q: The left taillight on my pickup is somewhat dimmer than the one on the right side. It’s not bad enough to go through the trouble and expense of having fixed it. But it bugs me. Any chance you have ...

Despite the widespread availability and use of low-power components, today’s printed circuit boards (PCBs) can require a significant amount of current, with boards drawing 50, 100, and even 200 A in ...

Do you know where to find the voltage drop rule in the NEC? That’s a trick question. The NEC has many rules. Some rules are mandatory [90.5(A)] (you must comply), and others are permissive [90.5(B)] ...