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—Building a new pool

Planning power for pool equipment

A pool needs power for its pumps, lights and possibly a heat pump. Agreeing what is needed before building avoids surprises at the board.

A new pool adds several electrical loads: the circulation pump, any feature or booster pumps, lighting, chlorination and controls, and often a heat and cool unit that can be the largest single load. The villa’s supply and distribution board must be able to take these, and cables need routes to the plant.

Construction guides follow a new pool from the first idea to the first swim, so each stage is easier to plan and to question.

The pool contractor provides the equipment list and ratings; the electrician plans the supply, protection, isolation and earthing that pool installations require. Doing this during design means cable ducts can be laid before the deck goes down and the board can be upgraded in good time if needed.

01Summary

What matters most here

  • List every load

    Pumps, lights, controls and heat pump.

  • Check supply capacity

    The heat pump may be the biggest load.

  • Lay ducts early

    Before the deck is built.

02Detail

What the electrician needs

  • Equipment ratings

    Power ratings for each item.

  • Plant location

    And cable route from the board.

  • Lighting plan

    Number and type of lights.

  • Controls

    Timers, automation and remote control requirements.

03Before you start

During design

  • Share the equipment list

    With the electrician.

  • Plan cable ducts

    Under the deck.

  • Check the board

    For space and capacity.

—In practice

How to use this

Get the electrical requirements for every planned piece of equipment — pumps, lighting, chlorination, controls and any heat and cool unit — and give the list to the villa’s electrician before construction starts. The electrician checks supply and board capacity, plans circuits and protection, and agrees cable routes so ducts go in before the deck is laid.

Mistakes worth avoiding

Leaving power until the end
If capacity or cable routes are unresolved at commissioning, the pool is finished but cannot run its equipment.
Forgetting a future heat pump
Temperature control is often the largest load. Plan the supply now, even if the unit itself is installed later.

04FAQ

Common questions about this

Does a heat pump need its own circuit?
Usually, sized for its rating; the electrician confirms.
Why plan ducts before decking?
Laying cables later means lifting the deck.
Who does the electrical work?
A qualified electrician, coordinated with the pool contractor.
What if the board is full?
It may need upgrading or a sub-board; this is planned early.

05Read next

More pool guides on this

Filed under new pool construction. Every pool guide is listed on the pool guides page.

—NEXT

Planning equipment?

Tell us what you want installed. We will provide the equipment list for your electrician.

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