Final answer:
Appliances must be securely connected to gas piping to prevent dangerous leaks and issues such as gas poisoning, fires, or explosions. Proper installation and maintenance, along with the use of carbon monoxide detectors, are essential for household safety. Additionally, correct grounding of appliances is vital to prevent electric shocks.
Step-by-step explanation:
Appliances must be supported and connected to the gas piping to prevent leaks and potential hazards such as fires, explosions, and carbon monoxide poisoning. The risk associated with combustible gases requires that appliances like gas heaters, stoves, and dryers are properly installed and maintained to ensure they operate safely. A secure connection to the gas piping system prevents unintended movement which could loosen or damage the gas line, leading to leaks.
Additionally, with substances like propane being used as substitutes for natural gas, especially in remote locations, it becomes even more critical to follow stringent safety standards. Carbon monoxide, an odorless and tasteless gas produced by fuel-burning appliances, can be particularly dangerous, as it's difficult to detect without proper equipment. Therefore, the installation of carbon monoxide detectors is crucial in safeguarding households from this silent killer.
Proper grounding of appliances is also an important safety measure, particularly in areas like kitchens where the risk of electric shock is increased due to the presence of water. A ground connection ensures that in the event of an electrical fault, the circuit breaker will trip, interrupting the power supply and signaling the need for appliance repair or replacement, thus preventing severe electric shocks.