If you are adding another light to a room which already has a light fitting do you want both the lights to operate at the same time come on together or do you want each light independantly switched from their own switch.
Adding an extra light to a room.
At the switch cut the cable about 12 in.
If you think a room in your house is too dark you may want to add an additional wall light fixture.
Connecting another light to an existing light and switch is an easy electrical wiring job.
Make sure the cable you use is the same gauge as the one powering the existing fixture.
Of sheathing from the wires and push the cable through the knockout leaving 1 4 in.
Or more sheathing visible inside the box.
In the bedroom above natural light is only provided by two narrow windows.
Choose a place for the fixture install an electrical box and run a cable between the new fixture and the existing one.
Lighting circuits adding an extra light from a switch there are various circumstances where it would be convenient to add another light to a circuit and connect that light directly to an existing light switch.
However thanks to several mirrors and other shiny surfaces spread around the room it appears light bright and airy.
Adding a new light and switch decide on the location of the new light and drill a hole through the ceiling at the position where you want the light.
Next above the ceiling locate the hole which can be made easier by poking something through from below and determine its location to the nearest joist.
Since the existing light is already connected to the switch and you are not adding a light switch most of the wiring you need will be present in the wall or ceiling.
How to light a room with floor lamps.
Adding a light to a circuit an end of run fixture is one that goes after the existing fixture in the circuit.
Start by mounting the fixture strap to the box.
Strip the ends of the wires and connect them to the fixture.
You can use medium or large mirror or even create a vignette or a wall display using several small mirrors.
By adding mirrors on walls perpendicular to a window your light increases dramatically in a space.
Strategically place a mirror or two in a dark room and it will reflect light making it feel brighter and bigger.
If you want to do more precise calculations check the formula in this article by ballardesign.
If you want them to operate at the same time then you only need to run a cable from the existing light to the new light position without having to damage any of the walls or ceiling.