manual

5 | ENGLISH
It is also possible to use the EM6557 in a single switch situation. Just use the white
switching wire and one of the black switching wires. The other black switching wire
can be covered using a terminal block or wire nut.
2.2 Using in a new house or room and using all wires
Image 3 – Using all wires
In the above situation you need to run two black switching wires to both wall switches.
2.3 Use case example: Single switch
You can also use the EM6557 in a room with a single switch situation. For example a
bedroom with just one ceiling light and one light switch on the wall.