What Is a Temporary Power Layout in Construction Projects? A temporary power layout maps all electrical connections used during construction. It includes panel locations, cable routing, equipment tie-ins, grounding points, GFCI protection, and distances between site utilities. Temporary power drives the jobsite. But it also creates repeat problems: overloaded temp panels, cords in walk paths, wet-area hazards, and “temporary” setups that turn into permanent messes. Yet throughout all these changes, one thing must remain stable: electricity. Temporary power systems are responsible. Temporary power systems are essential for construction projects, yet they often introduce serious safety risks. However, exposure to weather, frequent relocation, rough use and other condi-tions not normally encountered with conventional wiring systems necessitate special consideration not require in other applications or in completed structures. The. Distribution Cabling: These cables will normally be multi-strand multi-core armoured or flexible PVC cables but, in certain cases, may take the form of mineral insulated copper clad (m. The latter type should be sheathed with PVC. NEIS® ar intended to be referenced in contract ntractors Association assumes no obligation or liability to.