How do Christmas lights work? How are they wired so that if one light goes out they all go out? And how does using one of those light guns fix all of them?

Question

How do Christmas lights work? How are they wired so that if one light goes out they all go out? And how does using one of those light guns fix all of them?

In: 1

Answer 1

From science class in school I remember just a few things

Photosynthesis
Latent heat of fusion
Doppler effect
And Christmas lights are wired in series.

Someone else can expand on what in series involves perhaps