A clock that records the starting and quitting times of employees, usually by punching timecards. a special clock that records the exact time when someone arrives at and leaves work
Where economy 7 or low tariff electricity is to be taken advantage of, a timer is essential to optimise effective energy saving When power is used at standard rates it will ensure the element is not turned on until such time as required, resulting in energy cost savings and an extended element life
A mechanical or electrical device that automatically controls the periods that a pump, filter, heater, blower, automatic pool cleaner or other electrical devices are on or off