Planning

The electrical installation must be an essential part of the building planning. Likewise the ambient conditions such as humidity and moisture, dust and ambient temperatures in which the electrical system must operate must be considered.

When planning the electrical installation, think of the future: you also need to be able to meet future requirements.

• In general, equip extensive systems with a central distribution panel. Install additional subpanels for individual subgroups such as different floors, separate apartments, work areas, auxiliary buildings, etc.
• The more detailed the breakdown of your electrical supply, the greater is your comfort. 
• For very extensive systems (control of blinds, central lighting controls, etc.) or for systems with very high operating comfort, a European installation bus system (EIB) proves advantageous.

Protective measures

• Protective measures should adhere to the guidelines of the respective electric company. 
• A ground fault circuit interrupter protects persons and serves as life insurance. A coil measures the ingoing and outcoming current; if an imbalance occurs, it shuts off the ground fault circuit interrupter. 
• Dividing a building into multiple groups achieves greater reliability of power supply. 
• Test ground fault circuit interrupters monthly. 
• The voltage compensation and the grounding are important. 
• On new construction of a building, provide foundation grounding, which can also serve as lightening protection.

Installation

• All installations must be done by an electrician. 
• Assure quick and safe correction of disruptions by providing unambiguous labeling of the distribution panels and circuits and exact description of the supplied components. 
• Caution: On transfer of a completed system from the electrician, require a detailed electrical schematic and protocol of the safety check.