An electric octopus often represents the first budget item in a new electrical installation or an extension. The price of this pre-wiring kit depends on variables that online quotes do not always detail: the size of the dwelling, the number of specialized circuits, compatibility with the latest version of the NF C 15-100 standard. Understanding these variables helps avoid amendments during the project and unpleasant surprises during the Consuel inspection.
2024 Overhaul of the NF C 15-100 and Impact on Octopus Pricing
Since August 23, 2024, the NF C 15-100 standard is no longer a single document amended since 2002. It now consists of a series of 21 thematic texts that redefine the requirements piece by piece: number of outlets, specialized circuits, electric vehicle charging infrastructure (IRVE), communication network.
For manufacturers of electric octopuses and engineering firms, this overhaul requires updating standard diagrams (living room, kitchen, bedrooms) and pricing software. Catalog-priced kits based on the old version are gradually becoming obsolete for new projects and extensions starting September 2025.
The direct consequence on price is concrete: a quote established before the transition may under-dimension certain circuits or overlook new obligations (IRVE, communication, safety). At the time of the Consuel inspection, these discrepancies result in amendments and additional costs that the initial budget did not account for. As detailed in the electrical guide on Maison Info, checking the compliance of the quote with the current standard remains the first reflex before signing.
Electric Octopus: What Affects the Price per Square Meter
The price ranges published online provide a rough estimate, but they often mix different scopes. A price per square meter may include only the materials (ICTA conduits, wires, junction boxes) or also cover installation and connection to the electrical panel.
Materials Only or Supply and Installation
A pre-wired octopus kit for a simple room can be around a few hundred euros. For a house of about 100 m², the material-only budget increases significantly. However, installation during renovation is more expensive than in new construction due to necessary adaptations: running conduits through existing walls, updating the panel, bringing old circuits into compliance.
Integrated Equipment in the Kit
The price also varies according to the level of equipment included in the octopus:
- A standard pre-wired octopus (outlets, lighting, specialized kitchen circuits) represents the most accessible entry ticket.
- Adding a ventilation system (simple or double flow VMC) to the kit significantly increases the bill, as it adds dedicated conduits and an additional circuit.
- The integration of an IRVE pre-equipment, now required by the standard for new constructions, adds a specialized circuit that did not exist in the old catalog kits.
Comparing two quotes only makes sense if the scope is identical. An “all-inclusive” price that includes the electrical panel, the GTL, and installation is not comparable to a material-only price.
Consuel and the Hidden Cost of a Non-Compliant File
The Consuel inspection validates the compliance of the installation before it is energized by the distributor. Field feedback indicates that documentary requirements have strengthened in recent years, with more meticulous checks on diagrams, cable sections, and differential protections.
A rejected Consuel file leads to a re-inspection. The direct cost (re-inspection fees) remains moderate, but the indirect cost is heavier: delays in commissioning, intervention by an electrician to correct non-compliance, possible replacement of equipment.
For an electric octopus installed as a DIY project, the risk of rejection increases if the kit was designed based on an outdated plan. Ensuring that the engineering firm provides a diagram compliant with the NF C 15-100 series of 2024 helps avoid this scenario.
Reading an Electric Octopus Quote: Key Items to Check
A serious quote details several distinct items. Confusing them skews the budget estimate and complicates any comparison between providers.
- The materials: ICTA conduits, wires (section and color), junction boxes, connectors. The number of conduits directly depends on the number of circuits planned in the diagram.
- The electrical panel and the GTL: sometimes included in the kit, sometimes billed separately. Their absence from the quote does not mean they are free.
- Delivery and transport: an octopus for a 100 m² house represents a significant volume and weight. Some manufacturers include transport, while others charge extra for it.
- Installation and connection: if you hire an electrician for the setup, this item can represent a significant portion of the total budget.
A quote that displays a total price without breaking down these items deserves to be questioned. Requesting a line-by-line breakdown remains the most reliable way to identify discrepancies between two offers.
The price of an electric octopus cannot be reduced to a price per square meter. The overhaul of the NF C 15-100 standard, the strengthened Consuel requirements, and the variations in scope between quotes create discrepancies that only careful reading of the pricing can help manage. Comparing quotes with identical scopes and checking the normative compliance of the plan remain the two most effective safeguards before starting a project.
