One board has gone further than this and is offering specially low night rates to domestic consumers for electrical apparatus controlled by a time switch.
It is now possible, when electricity is available, to use electric cooking apparatus and to set a time switch for an appointed hour.
Using both types of switching makes a modern switch far smaller than either a space or time switch could be by itself.
However, a time switch (shabbat clock) can be set to turn a light on and off at fixed times.
The long impulse causes a time switch to close a local circuit, which will not close on the short impulses.
The light can be provided either by the morning sunlight, or, preferably, through a light on a time switch.
On defense, the player may at any time switch control between any member of the team.
The electric pump is to be arranged to be turned on and off at regular intervals by the time switch to administer (fairly) precise and regular water quantities.
