A machine can arrive on time and still sit idle if its electrical requirements were not resolved beforehand. Planning machinery power means matching the supplier’s specification to the site’s capacity, distribution and operating arrangements. A nearby industrial outlet is not proof that the supply is suitable.
For dedicated supplies, isolation and connection planning, see GMB’s machinery power installation service.
Obtain the supplier’s electrical requirements
Request the exact model specification and installation documentation, including supply arrangement, running demand, starting behaviour and connection requirements. Motors, drives and ancillary equipment can affect the design. A photograph of a plug is not a complete specification.
Confirm whether extraction, cooling, compressed-air equipment or other supporting plant adds electrical loads. Imported equipment may also need additional assessment before connection. Resolve uncertainties with the supplier rather than expecting the site electrician to infer missing information at delivery.
Review the full route from supply to machine
The assessment considers available capacity, distribution boards, cable route and the machine’s final position. Starting loads can matter as well as steady operation. Existing circuits and protective devices must be suitable for the proposed duty.
A supply upgrade may be required if the existing infrastructure cannot support the new demand. Where Level 2 supply-side changes are needed, GMB coordinates those works through its accredited Level 2 ASP partner. Confirm the lead time before setting a production start date.
Coordinate isolation, access and installation sequence
The installation needs suitable isolation and arrangements for safe future maintenance. Discuss access to the machine, operator movements and the maintenance team’s needs. Do not let pallets, storage or later guarding make an isolation point inaccessible.
Machine positioning, electrical works and supplier commissioning may need a particular sequence. Agree who controls each stage and whether nearby production must stop. Cable installation and elevated access can affect adjacent operations even when the new machine itself is not yet running.
Separate connection from process commissioning
Electrical installation testing and the machine supplier’s commissioning are related but distinct. Clarify who checks the electrical connection, who verifies the machine’s operation and who authorises production use. Control interfaces and interlocks should have named responsibilities.
Ask for relevant test records, updated circuit identification and supplier handover information. Plan a response if the machine’s actual requirements differ from the order documentation. A clear variation and approval process is safer than improvising a connection to meet a delivery deadline.
- Provide exact model and supplier electrical documentation.
- Include ancillary loads and future expansion.
- Confirm the final position and accessible isolation.
- Coordinate electrician, supplier and production-team availability.