Electrical building services are essential to control the flow of electrical power throughout a building, required for Lighting, Small Power Heating, Ventilation and Air Conditioning (HVAC). The requirement for HVAC systems can be the greatest energy demand within a building.

High Voltage

In a building with higher power demand than normal electrical power can be supplied at High Voltage/11,000 Volts. A transformer is required to convert the voltage for use in the building.


A transformer converts electrical power from High Voltage into Low Voltage.

Low Voltage

Buildings with lower power requirements are supplied with electrical power at Low Voltage or 415 Volts, used to power the equipment in the building directly.

Main and Distribution Switchgear

Distributes the electrical power from the point of entry to the point which uses the power Circuit breakers and / or switches are used switch electrical power and that the electrical power is safely distributed around the building.

Point of Common Coupling

The point at which the electrical power supplied to the building is metered by the supply company for the purpose of determining consumption and therefore cost of the energy.

Final Distribution

Final distribution switchgear is used to provide switching and protection functions for the electrical power at or near its point of use.

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