Bad electrical connections can cause many different problems. A broken or disconnected wire will stop electricity flowing completely, but it is also possible to have a bad connection that causes high resistance.

How to diagnose an electrical connection

The topic covers the process for checking whether an electrical connection is good or bad.

How to make a good electrical connection

It is much easier to make a good electrical connection in the first place than to find a repair a bad connection when it eventually fails. This topic talks about some best practices for electrical connections.