Commercial and Industrial

At KPA Electrical, we specialise in commercial electrical installations, designing and building bespoke projects to suit each client’s needs entirely in-house.

Our integrated process ensures seamless coordination, consistent quality, and a truly personalised service.

Commercial Electrical Installation Aspects

1. Assessment & Planning

Before any work begins, conduct a thorough site assessment to understand the building’s size, layout, and existing infrastructure.

Key factors to evaluate include anticipated electrical loads, environmental constraints, and applicable regulatory standards such as BS 7671 in the UK.

  • Facility type and operational needs.
  • Available space for switchgear and distribution boards.
  • Future expansion and scalability requirements.
  • Local authority and fire safety regulations.

2. System Design & Specification

Translate project requirements into detailed drawings and material specifications. This ensures every component, from main distribution panels to final socket outlets, is correctly rated and coordinated.

  • Load calculations and single-line diagrams.
  • Selection of cables, conduits, and trunking systems.
  • Sizing of switchgear, transformers, and protective devices.
  • Energy efficiency targets and sustainability measures.

3. Component Integration

Commercial installations encompass a variety of systems beyond basic power.

Seamless integration minimises installation clashes and ensures reliable operation.

  • Lighting systems and intelligent controls.
  • HVAC equipment and motor control centres.
  • Security, access control, and CCTV networks.
  • Data and communication cabling, including structured networks.

4. Installation Practices

High-quality workmanship and adherence to best practices are essential for longevity and safety.

  • Neat cable routing with clear labelling.
  • Proper use of conduits, trunking, and cable trays.
  • Segregation of power, data, and control wiring.
  • Accessibility for inspection and future maintenance.

5. Safety & Protection

Protecting people and equipment requires robust earthing, bonding, and fault-clearance strategies.

  • Earthing and equipotential bonding networks.
  • Circuit protection: breakers, RCDs, surge protection devices.
  • Fire alarm and emergency lighting integration.
  • Compliance with electrical safety testing standards.

6. Testing & Commissioning

Comprehensive verification confirms that the system meets design intent and safety requirements.

  • Insulation resistance and earth loop impedance tests.
  • Functional checks of emergency and backup systems.
  • Verification of load balancing and correct phasing.
  • Issuance of Electrical Installation Condition Report (EICR).

6. Documentation & Handover

Accurate records and clear instructions empower operators to manage and maintain the installation.

  • As-built drawings and single-line diagrams.
  • Equipment manuals and maintenance schedules.
  • Compliance certificates and regulatory approvals.
  • Training sessions for facility staff.