An electric panel forms part of the electrical wiring system for safety systems required under the Building Codes. The functions of these systems must be maintained in case of fire for the required duration.

The electric panel consists of an enclosure, the electric or electronic equipment, batteries, where applicable, and the electrical wires/cables to be used.

Regulatory framework

In this work area, DIBt grants national technical approvals (abZ)/general construction technique permits (aBG) in accordance with the Technical Building Rules, cf. MVV TB 2020/1, Section B 3.2.1.32.

Before verification of the circuit integrity of the electric panel for the required duration in case of fire exposure from the outside, verification of the functionality of the electric panel under normal operating conditions must be provided. For this, compliance with the maximum permissible temperature increase of the electric panel under normal operating conditions must be verified.

Furthermore, verification of the interaction between the cable feed-in on the enclosure and the electrical wires/cables to be fed in must be provided.