---
title: What type of LED Bulbs can I use with my Lightwave Dimmers?
description: Lightwave dimmers will work with mains dimmable bulbs 230-240v other types of lighting can work but not directly with the Lightwave dimmers and require a relay
---
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# What type of LED Bulbs can I use with my Lightwave Dimmers?
## This article explains which LED bulbs are compatible and incompatible with Lightwave Smart Dimmers LP21,LP22,LP23,LP24
LED lighting is an energy-efficient and increasingly popular choice for modern homes. Lightwave dimmers are engineered to work effectively with the latest **dimmable LED lamps**—but as not all LEDs are created equal, understanding bulb compatibility is essential for achieving smooth, flicker-free dimming.
---
### **Recommended Bulbs**
To ensure optimal performance:
- Use bulbs that are **pre-tested and approved** by Lightwave.
🔗 **[View Compatible Bulbs & Lighting Accessories](https://shop.lightwaverf.com/collections/compatible-bulbs-and-strip)**
These bulbs have been verified for smooth dimming, reliable response, and minimal flicker.
---
### **Buying Other Bulbs? Follow These Guidelines:**
- **Check for the dimmable symbol** on the packaging.
- For dimmers **without a neutral wire**: Minimum **10W per channel** recommended.
- For dimmers **with a neutral wire**: Minimum **5W per channel** recommended.
- LED bulbs must be **mains-dimmable 230-240V** (12V, 0-10V & DALI are incompatible and require a Lightwave [relay](https://shop.lightwaverf.com/collections/relays-and-led-drivers/products/smart-mini-relay) to be operated)
- For best performance, use **up to 15 bulbs per gang**. While more may work, smooth operation and stability cannot be guaranteed.
**Stick to reputable brands** to avoid flickering, pulsing, or calibration issues caused by poor internal components.
---
### **Recommended Bulb Fittings**
#### **GU10**
Common in spotlights and downlights. Features two short pins at the base and is suitable for focused lighting.
#### **B22 (Bayonet Cap)**
Twist-and-lock socket, widely used in the UK. Reliable for general household lighting.
#### **E27 (Edison Screw)**
Standard screw fitting. Used globally for a wide range of bulb types including LED, incandescent, and CFL.
#### **E14 (Small Edison Screw/SES)**
Compact screw base, ideal for decorative fittings like chandeliers and bedside lamps.
#### **Integrated LED Downlights**
Fixed LED units offering long-lasting, energy-efficient illumination. Ideal for kitchens, bathrooms, and hallways.
---
### **Bulbs Not Suitable for Use with Lightwave Dimmers**
Some lighting types should **not be connected directly** to dimmers due to power or driver limitations. Instead, connect them to **Lightwave relays** and control wirelessly.
#### Not Recommended:
- **Gas filament tubes **(Cannot be dimmed and are not TRIAC Dimmable)
- **MR16** bulbs (use 12V drivers, which are incompatible with Lightwave dimmers; a Smart Relay is required LP81, LP82, LP83)
- **DALI** (Is not compatible with our dimmers due to using a different dimming interface can work with Smart Relays LP81, LP82, LP83)
- **0-10V Light Fixtures** (Incompatible due to different dimming interface, commonly found in integrated wall & ceiling lights, can work with Smart Relays LP81, LP82, LP83)
- **Non-Dimmable Bulbs & Smart Bulbs** (Will work if a Neutral is connected to your Lightwave dimmer when set up in [discreet on/off mode](https://support.lightwaverf.com/knowledge/controlling-non-dimmable-lighting?hsLang=en) if no neutral is preset, they can work with Smart Relays LP81, LP82, LP83)
---
### **Need Help Choosing Bulbs?**
If you're uncertain about which bulbs to buy—or whether your existing ones are compatible—Lightwave’s support team is here to help.
📞 **Call us at 0121 468 8987**
📩 **Or submit a support ticket for expert advice**
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