Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to install a doorbell [title] Cut off power from the breaker or fuse box to avoid injury. [step] Make sure that the circuits that supply electricity to the power sources you are working with are shut off before starting the installation. Turn off the appropriate switches at your breaker panel or fuse box.

Ending1: [substeps] Note that lights are usually disconnected at the back of the box. If you only have light switches that are switched off, try turning off the appropriate switch where they are not. Ending2: [substeps] Test light switches or other outlets in the area to make sure the power is off. [title] Connect doorbell wires to the chimes. Ending3: [substeps] Look for these switches by walking away a few feet or by switching on fluorescent lighting. [title] Cut close to the fuse box and turn off power to the circuit breaker. Ending4: [title] Cut the power to the breaker box. [step] Use a saw or box saw to cut off the power to your power box.

Answer format: ending1/ending2/ending3/ending4