Yes, windows being painted shut is a fire hazard. Because windows painted shut may have locks that stick or cannot be opened easily in an emergency, this becomes an immediate fire hazard that should be dealt with.

Yes. Even when it’s not in use, an outlet is still connected to wiring, and if the wiring is faulty or wet, a fire can occur. Broken outlets can also cause fires, for the same reasons; in fact, most broken outlets are broken due to damaged or worn-out wiring. It’s worth replacing outlets that are old or damaged with the help of an electrician.

Wiring a light switch wrong can cause a fire if the incorrect wiring causes arcing, meaning the current jumps uncontrolled from one conductor to another. Loose wires or worn wires that are not repaired or replaced can cause arcing. If you’re not 100% sure you can do the job safely, don’t attempt to wire a light switch on your own.

According to the National Fire Protection Association’s Code NFPA 25 (titled “Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems”), private fire hydrants must undergo inspection once per year, with an accompanying flow test and any necessary maintenance performed on the same schedule. Keep in mind that your town, city, or county may adopt more or less strict testing requirements.