Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to change a track lighting bulb [title] Turn the light off. [step] Turning the light off ensures that there is no chance of getting shocked when you. Make sure that anyone in the same room also knows not to turn the light back on while you are working on it.

Ending1: [title] Remove the led coating in the power supply. [step] You may see a small clip that clips onto the power supply, but you may also see screws with clips too. Ending2: [title] Check the insulating cover for 1 inch (2.5 cm) of insulation. [step] Compression glass covering insulates the electrical components of the incandescent fixture directly. Ending3: [title] Loosen the clamp from the " lubricate " bolt located on the outside of the light. [step] Depending on what method you are using, you may have to wrench it a bit to make it release as well. Ending4: [substeps] If you are taking out an incandescent or halogen bulb, you will need to wait 5-10 minutes after turning the light off for the bulb to be cool enough to handle. An led bulb, on the other hand, will always be cool enough to handle.

Answer format: ending1/ending2/ending3/ending4