Velleman projects K5201 Assembly instructions - Manual (Page 8)

8
All wires of the output section must be at least 2.5mm².
Power supply wiring can be done with 0.5mm² wire.
 Use fuse ratings as indicated on the connection examples.
Put an extra layer of solder on all tinned PCB tracks, to improve their current handling capabilities.
 This unit is suitable for use with resistive loads, such as regular incandescent light bulbs.
 The unit is not suitable for use with transformer operated lighting or fluorescent lighting.
17. ASSEMBLY, HOOK-UP AND USE
Assembly, Hook-up & Use

Attention : There is no transformer isolating this circuit from the mains.
Therefore, all parts of the PCB carry a potentially lethal voltage. The circuit
must be mounted in an adapted enclosure according to the applicable norms,
so that no live parts can be touched or present any other danger.