How voltage, gas type and plug standards quietly break restaurant and kitchen projects
To avoid kitchen equipment failing at installation, confirm the destination site's electrical supply, plug and connection requirements, gas type and pressure, and local approval needs before you place an order. A product that works in a supplier's showroom may not match your building's utilities or local rules, so put the agreed specifications in writing and have a qualified local installer review them.
Start with the building, not the catalogue
Ask the electrician or project engineer responsible for the site to provide the actual supply details for each planned appliance. Do not assume every kitchen has the same voltage, frequency, phase, socket, or available circuit capacity. These details can differ between countries and between buildings. A unit may have the correct nominal voltage but still require a different frequency, a dedicated circuit, or a hard-wired connection rather than a plug.
For every electrical item, request the full nameplate data and wiring diagram, not just a product-page headline. Confirm rated voltage and frequency, single- or three-phase supply, rated current or power, plug type if supplied, and any special breaker, earthing, or isolation requirements. Ask whether the listed rating describes the exact model and configuration you intend to buy.
Make gas requirements explicit
“Gas compatible” is not a complete specification. Commercial equipment may be configured for different fuel gases, and inlet pressure and connection details matter. Have the supplier state the intended gas type, operating pressure, inlet size, and whether the unit ships configured for that fuel. If conversion is possible, ask what parts and adjustments are required, who may perform them, and whether conversion affects warranty or certification.
Do not assume an adapter or regulator will solve a mismatch. The local gas professional should verify that the building supply and the appliance configuration are compatible and that the installation meets applicable rules. Where a project uses bottled gas rather than a piped supply, make that clear early; the equipment and installation plan may differ.
Use one confirmation sheet
| Check | Record before ordering |
|---|---|
| Electrical supply | Voltage, frequency, phase, current or power, connection type, and wiring diagram |
| Gas supply | Fuel type, operating pressure, inlet connection, and factory configuration |
| Site interface | Available circuit or gas point, ventilation, clearances, drainage, and access |
| Documentation | Exact model, nameplate, manuals, declarations, and local review requirements |
| Handover | Who installs, tests, commissions, and signs off each connection |
Send this sheet to the supplier with the model numbers and ask for written confirmation against each line. Put any exclusions or required accessories on the quotation. If a specification remains unknown, mark it as open rather than treating a catalogue image or verbal assurance as confirmation. Keep the final approved configuration with the purchase order so substitutions can be checked before dispatch.
Plan delivery and commissioning together
Equipment acceptance is not the same as readiness to operate. Before shipment, confirm that the manuals and labels identify the model and configuration, and collect the documents your installer or local authority needs to review. Requirements vary by destination and equipment type, so verify them with the relevant local professionals rather than relying on a generic export certificate.
Build installation into the schedule. The site may need suitable circuits, gas shutoffs, extraction, water, drainage, or clearances before the equipment arrives. Agree who supplies connection parts and who is responsible for testing. After installation, have qualified personnel check the connections, safety controls, and operation before staff use the equipment. Record any changes from the approved specification and resolve them before handover.
For category-specific sourcing considerations, see our hospitality equipment guide. If you are planning supplier meetings around a kitchen project, plan your trip with the site requirements and model shortlist ready.