4/6/8 Outlets UK Light Contractor Timer with Two Input Plugs

 Light contactors protect against this damage by controlling the switching through the contactor instead of directly through a small timer.
Light contactors are designed to control your HID lighting and maintain a safer grow room.
They absorb the electrical power surges which occur every time your HID lights turn on, so that these surges never reach your timer.
Huge power surges which occur when HID lighting is switched on can cause the timer elements to fuse together becoming damaged and potentially hazardous. Using a Light contactors prevents this damage from occurring