39 lines
1.5 KiB
Markdown
39 lines
1.5 KiB
Markdown
# Domain Context: Distribution Board Circuit List
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## Purpose
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In electrical building design, especially during detailed design / execution planning, a circuit list is created for each distribution board.
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The circuit list documents all consumers, devices and circuits supplied by or installed in a specific distribution board. It supports:
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- construction of the distribution board by the electrical contractor
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- execution planning and technical coordination
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- quantity takeoff for tendering and cost estimation
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- determination of required protective devices, terminals, modular DIN rail devices and related components
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- structured documentation of the internal electrical path inside the distribution board
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Although the term "circuit list" is used, the list does not only contain final outgoing circuits. It may also contain or later support devices and functional components such as:
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- main switches
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- surge protection devices
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- KNX devices
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- control devices
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- modular DIN rail devices
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- reserve circuits
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- other distribution board components
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## Important Domain Rule
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A circuit list entry is not always just a single independent circuit.
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A circuit can contain one or more device rows.
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If a circuit contains one device, it can be displayed as one compact row.
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If a circuit contains multiple devices, the UI displays:
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- one circuit summary row
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- one or more indented device rows below it
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Circuit-level data such as protection device, cable type and cable length belongs to the circuit, not to each individual device.
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