Loose wiring, exposed connectors, and unstable electrical connections can cause shocks, equipment failures, or costly downtime. In this article you will read about the five most common mistakes when installing temporary distribution boxes and practical tools to avoid them. Whether you are an installer yourself or responsible for rental, these insights will help you get ahead of problems. That's why trained electricians play such a crucial role in keeping large-scale projects on track. Sometimes it can be as simple as not using proper cable terminations, and not using the proper covers on receptacles or. Ground faults are one of the most common electrical hazards on construction sites, and one of the most preventable. Most of the time, the hazard is not obvious.