Home electrical panel diagram PDF: content, reading and method

What does a home electrical panel diagram show?

The diagram starts with the incoming supply, then shows RCDs and the circuit breakers downstream. Every outgoing circuit should have a clear label such as living-room outlets, upstairs lighting, oven, washing machine, water heater or EV charger.

A site-ready PDF can add a circuit schedule and a visual row layout so the reader can distinguish electrical hierarchy, labelling and physical module occupancy.

• Incoming supply and main isolation.
• RCDs and the circuits supplied by each one.
• Breaker, circuit name and relevant characteristics.
• Row and module position in the panel.
• Spare capacity and points still requiring validation.

How do you read the diagram from top to bottom?

Start at the incoming supply and follow each branch through an RCD to the circuit breakers below it. Circuit names then link the panel back to the equipment shown on the floor plan.

Good reading is not only about breaker ratings. You should know which rooms and equipment are served and find the same circuit name on the plan, legend and panel schedule.

100 m² house example: why there is no universal panel

Floor area gives context but cannot define the panel on its own. An all-electric 100 m² house, a gas-heated property and a home with an EV charger do not have the same circuits or constraints.

A useful example begins with the real inventory: outlets and lighting, kitchen, utility room, heating, water heater, ventilation, outdoor areas, garage, data and future equipment.

• Outlet circuits grouped according to rooms and retained capacities.
• Separate lighting circuits so one fault does not darken the entire home.
• Dedicated circuits for equipment that requires them.
• Protective devices suited to the identified uses.
• Space for reasonably foreseeable additions.

Single-line, wiring and floor-plan views are complementary

A single-line diagram represents each circuit with one line and shows the protection hierarchy. A wiring diagram adds connection detail. The floor plan locates equipment in the rooms.

Keeping these as separate pages in one PDF is clearer than overloading a single drawing. Planelico can combine the annotated plan, circuit schedule and proposed panel in one consistent package.

Build a panel proposal from the house plan

Start with named rooms, relevant areas and equipment in the correct zones. Planelico can then check outlet minimums, group common uses, isolate dedicated appliances and propose an organisation beneath RCDs.

The proposal remains editable. Review the grouping, dedicated loads, protection and spare capacity before saving and exporting the PDF.

Common problems with free PDF templates

A downloaded template may be outdated, incomplete or designed for a different property. The most common issues are copying a panel without an inventory, vague labels and confusing a design example with final sizing.

• Choosing the number of rows from floor area alone.
• Missing a dedicated circuit or major future load.
• Using different names on the plan and panel.
• Presenting an automatic proposal as compliance approval.
• Sending a PDF without a revision number or date.

NF C 15-100 and professional validation

The NF C 15-100 series covers the design, installation and verification of low-voltage electrical installations in France. The applicable rules depend on the project context and date; they cannot be reduced to one sample panel.

The generated PDF is a design and discussion aid. A competent professional must confirm protection, cable sizing, lengths, installation methods, earthing, building constraints and required documents before work.

Quick method with Planelico

1. 1

   Qualify the rooms

   Name each plan area and enter its floor area when needed for checks.

2. 2

   Place all equipment

   Add outlets, lighting, dedicated appliances, heating, ventilation, outdoors and future needs.

3. 3

   Generate the circuits

   Create a grouping proposal from the equipment actually placed.

4. 4

   Review the protection

   Check dedicated circuits, RCDs and proposed characteristics.

5. 5

   Check the rows

   Review module occupancy, labels and available spare capacity.

6. 6

   Export and validate

   Export the PDF and give it to the professional responsible for final sizing.

Frequently asked questions

Official sources

• AFNOR — NF C 15-100 series for electrical installations
• CONSUEL — Technical files by installation type