If you remove any part of this circuit (like take out a bulb), everything goes out. If you wanted, you can make a similar circuit with 10 or 20 bulbs. Just connect them all in a line so that the ...

or connect many of the 12v automotive type in series. I built a similar one to the article, except mine is used for electrocuting rodents. The bulb works great to prevent the breaker tripping.

Next, it was time to completely remove the board. That meant destroying the rest of the bulb. Now, let's take a tour of the components. Figure 5 shows a 2 A, 250 V fuse in series with the AC line hot ...

For example, household decorative string lights are often arranged in a series circuit where multiple small bulbs are connected sequentially. If one bulb burns out, all bulbs in the series will ...