Are the standard strand of Christmas lights connected in series or parallel? ... you can give a person one wire, one battery and one light ... there is no longer a current. Here is the new diagram.

In this example we’re using a pair of DiMarzio humbuckers. Each pickup company has wiring diagrams to help you identify the different connections so make sure you check. These ‘4’ wire humbuckers ...

In circuits connected in parallel, the components are connected on different branches. Find out more with BBC Bitesize. For students between the ages of 11 and 14.