Landscape Transformers

Landscape transformers step 120V line power down to the 12V that low voltage landscape fixtures run on. This category covers multi-tap landscape transformers sized by total wattage, many with built in timers and photocell control.

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Landscape Transformer Selection Guide

The transformer is the heart of a low voltage system: it sets how many fixtures you can run and, through its taps, how evenly they light. Sizing it to the load with room to grow is the key decision. Landscape transformers are part of the Landscape Lighting Accessories family alongside Landscape Wire, powering the fixtures in Landscape Lighting such as Landscape Path Lights and Landscape Spot Lights.

Size the Transformer to the System

Match the transformer capacity and features to the total fixture load and how you want the lights controlled.

System SizeCapacity GuideFeatures to Look ForNotes
Small (a few fixtures)Up to around 100WTimer or photocellLeave room to grow
Medium yard150 to 300WMulti-tap, timerCommon residential size
Large layout300W and upMulti-tap, multiple runsSplit runs for even voltage
Multi-tapAny size12V to 15V tapsCompensates voltage drop

Sizing, Taps, and Headroom

Add up the wattage of every fixture and choose a transformer rated above that total, leaving headroom so you are not running at the limit and so you can add fixtures later. The multi-tap feature matters as much as the size: higher taps, such as 13V, 14V, or 15V, feed longer runs to offset voltage drop so the far fixtures match the near ones. Running near full capacity shortens transformer life, so size up.

Control, Mounting, and Wiring

Most landscape transformers include a timer, a photocell, or both so the system runs dusk to dawn or on a schedule with no attention. Mount the transformer on an exterior wall near an outlet, above grade and in a rated enclosure. Connect runs to the correct taps based on each run length. For the direct burial cable between the transformer and the fixtures, see Landscape Wire, and for the full system see Landscape Lighting Accessories.

Why Order Landscape Transformers from QuickShipLights

Each product page shows live stock status, in stock transformers ship fast, and freight is free on every order with no minimum. For help sizing a transformer and assigning taps to runs, reach the lighting team through the QuickShipLights support portal before you order.

Frequently Asked Questions About Landscape Transformers

Add up the wattage of every fixture on the system and choose a transformer rated above that total, with headroom so you are not running at the limit and can add fixtures later. Running near full capacity shortens transformer life.

A multi-tap transformer offers several output taps, such as 12V, 13V, 14V, and 15V, so you can feed longer runs from a higher tap to offset voltage drop. This keeps the far fixtures as bright as the near ones.

They step 120V line power down to the low voltage landscape fixtures use, nominally 12V. Multi-tap models offer higher taps up to around 15V to compensate for voltage drop on long runs.

Most include a timer, a photocell, or both so the system runs dusk to dawn or on a schedule automatically. This removes the need to switch the lights on and off by hand.

Mount it on an exterior wall near an outlet, above grade, in a rated enclosure. Keep it accessible for setting the timer and connecting runs, and protect it from standing water.

It can if it is sized to the total load and you split the layout into multiple runs on the correct taps. Large layouts may use multiple runs from one transformer, or a second transformer, to keep voltage even.