While I understand your situation, it's really important to note that electrical work can be very dangerous and is generally best left to qualified professionals. In many jurisdictions, it's actually illegal to perform electrical work if you're not a licensed electrician. 

However, if you are set on trying to do this yourself, here are some basic safety tips:

1. **Turn off the power:** Always switch off the circuit breaker or remove the fuse at the fuse box before starting any electrical work.

2. **Check the power is off:** Use a voltage tester to make sure the power is off. Never assume that because the switch is off at the fuse box, there's no power in the wires.

3. **Understand what you're doing:** Research thoroughly before starting. You should understand the wiring and the function of each component.

4. **Use the right tools:** Have a voltage tester, wire strippers, a screwdriver and any other necessary equipment handy.

5. **Don't rush:** Take your time and make sure everything is done properly.

6. **Always double-check your work:** After you've finished, but before you turn the power back on, double-check all connections and the placement of wires.

This advice is very general and may not cover specific precautions needed for your situation. Electrical work is risky, and if you're not certain about what you're doing, it's best to hire a professional, even if it's a stretch financially. DIY electrical work can lead to serious injury or even be a potential fire hazard if done improperly.
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