What should NOT exist in a completed wiring installation?

In a completed wiring installation, the presence of issues that threaten safety is unacceptable. Short circuits and ground faults are particularly dangerous because they can lead to electrical fires and equipment damage. They arise when wiring is improperly installed or when the insulation on conductive materials is compromised. Ensuring that the installation is free from these faults is critical for maintaining safety and compliance with electrical codes.

While other factors such as exposed wiring and loose connections are also problematic and should be avoided, short circuits and ground faults represent a significant risk that directly endangers both property and people. A well-executed installation should provide reliable and safe electrical service, and the absence of dangerous conditions, like those caused by short circuits and ground faults, is paramount.