They are 24V whereas household mains electricity is 240V and should only be used in situations where there is 24V.
2x Low Voltage Wire Connectors Nylon Brass For Landscape Lighting Outdoor Sp NEW
Maxled, Light is Led! 2X 24W LED Transformer Power Supply 230V to 24V Constant Voltage Driver Adapter DC 24V 1.0A Constant Low Voltage Power Supply Adapter for Indoor LED Strip Lights Cabinet Display
VARICART LED Transformer 60W, ultra slim 24V LED Driver 240V AC to 24V DC 2.5A, Low Voltage Power Supply Constant Voltage for Strip Lights, Display and G4,MR11,MR16 Light Bulbs
REYLAX 24V LED Driver 150W 6.25A, Transformer 240V to 24V DC, Constant Voltage Power Supply, Low Voltage Transformer, Electronic Converter for Strips, Light Bulb, LED Downlights
REYLAX LED Driver 24V 30W 1.25A, Transformer 240 to 24V DC, Constant Voltage Power Supply Adapter, Low Voltage Transformer, Electronic Converter for Strips, Light Bulb
KSIBNW 24V Dimmable LED Driver 100W, Transformer 220V AC to 24V DC 4.1A Power Supply Constant Voltage Adapter Ultra Thin Low Voltage Transformer for 24 Volt LED Lights, Bulbs and Displays