A safety-focused inspection prioritizes checks that reduce risk to occupants over checks that only affect performance or comfort, and it is a distinct exercise from a general maintenance visit. Electrical safety checks include verifying that appliance grounding is intact, that circuit breakers are rated correctly for the connected load, and that wiring insulation shows no signs of cracking, discoloration from heat, or rodent damage.
For gas-connected appliances, safety inspection includes checking flexible gas hoses for age-related cracking and confirming that connections are free of leaks, typically tested using a soap solution applied to joints while the gas supply is briefly pressurized. Appliances mounted at height, such as split AC indoor units or wall-mounted kitchen chimneys, are checked for secure bracket mounting, since a bracket that has loosened over years of vibration poses a physical fall risk in addition to any performance concern.
Water-handling appliances are inspected for any signs of electrical components being exposed to potential water contact, since a compromised seal near a wiring junction box represents a shock hazard rather than just a leak inconvenience. Carbon monoxide risk, relevant for certain gas-fired water heaters in enclosed spaces, is checked through proper venting confirmation, since blocked or improperly routed venting can allow dangerous gas buildup indoors.