Landscape Lighting Transformers: Powering Low Voltage Systems
A landscape lighting transformer reduces supply voltage to the output required by compatible low voltage landscape lighting fixtures. Many designs convert a 120V supply to low voltage AC, with fixed or selectable outputs matched to the system. The transformer’s capacity, output type, and installation arrangement must suit the connected LED landscape lighting fixtures.
Choosing and Sizing Your Landscape Transformer
- Voltage Conversion and Compatibility: A low voltage transformer supplies the operating voltage required by compatible fixtures. Lower voltage does not make installation risk-free, and the output voltage and AC or DC requirements must match the connected equipment.
- Capacity (Wattage): Transformers are rated by their permitted load, with capacities such as 75W, 150W, and 300W. To size a landscape lighting transformer, add the connected fixture wattages and follow the transformer’s loading instructions. A 20–30% capacity allowance can be a planning starting point for headroom and expansion, but total and individual output limits still apply.
- Multi-Tap Outputs for Voltage Drop: Some landscape lighting transformers feature multi-tap outputs, such as 12V, 13V, 14V, and 15V terminals, with other ranges available for particular systems. A higher tap can help compensate for cable voltage drop, but the voltage reaching each fixture under load must remain within its permitted input range; higher output does not guarantee uniform brightness.
- Timer and Automation Features: Outdoor lighting transformers may include timers, photocells, or Wi-Fi controls for scheduling and switching. Control features vary by design, and switching or scheduling capability does not automatically provide dimming.
- Durability and Mounting: Outdoor transformer designs include wall-mounted and in-ground arrangements, with enclosure materials and installation requirements suited to their intended use. Follow the transformer’s instructions for mounting, clearances, supply connections, and environmental exposure rather than assuming every enclosure can be installed in the same way.
For the lighting layout, compatible path lights can illuminate walking routes, while landscape spotlights provide directional accents. Confirm the required voltage and output type for each fixture before assigning it to a transformer circuit.
To support reliable operation, choose a low voltage transformer with suitable capacity and follow its permitted loading limits. Cable length, conductor size, and the distribution of fixtures also affect the voltage delivered throughout the system.
Landscape Lighting Transformers: Powering Your LED System
The right landscape lighting transformer provides the electrical foundation for compatible low voltage fixtures. Bees Lighting offers low voltage transformers and outdoor lighting transformers with different capacities, mounting arrangements, and control features for coordinated LED landscape lighting designs.

