While dealing with electricity, the most common risks include: Being burned or shocked by touching active components. Arc flash, or fire caused by defective electrical equipment or installations
Smoke detectors chirp due to low batteries or faulty wiring. To fix chirping smoke alarms, try new batteries. Your household electrician can replace smoke detectors that continue to chirp after battery replacement.
Providing adequate electrical appliance sockets to reduce multiway socket adapters and trailing leads. Covers protect fingers from live components (broken or damaged switches should be replaced without delay)
No, you can't. Circuit breakers are essential for any new wiring (and arc faults for most home parts). These contemporary circuit breakers cannot be fitted in a fuse panel. Thus a circuit breaker panel must be used instead.