Related by context. Frequent words. (Click for all words.) 71 circuit breakers 49 transformer 46 water heater 46 electrical 45 smoke alarm 44 inverter 42 smoke detector 42 valve 42 heater 40 sprinkler 40 insulator 39 generator 39 rotor 38 connector 38 volt 38 transformers 38 wires 38 ignition 38 extension cord 38 valves 38 shorting 37 capacitor 37 fuse 37 autopilot 37 landing gear 37 alternator 37 sprinklers 37 malfunction 37 voltage 37 smoke alarms 37 light bulb 37 smoke detectors 37 air conditioner 37 power outage 36 wiring 36 extension cords 36 sprinkler system 36 electrical wires 36 compressor 36 malfunctioned 36 water heaters 35 heaters 35 cooling 35 propane tank 35 defibrillator 35 stove 35 wood stove 35 thermostats 34 furnace 34 coolant 34 lightning strike 34 thermostat 34 boiler 34 brake 34 malfunctioning 34 electrical wiring 34 FirstEnergy 34 insulation 33 heat exchanger 33 spark plug 33 connectors 33 short circuited 33 actuators 33 shorted 33 socket 33 switches 33 burglar alarm 33 adapter 33 bulb 33 mains 32 electrical grid 32 electrical outlet 32 boilers 32 bolt 32 cap 32 computer glitch 32 outage 32 sprinkler systems 32 space heaters 32 air conditioners 32 muffler 32 rudder 32 nozzle 31 washer 31 lamp 31 refrigerant 31 hydrant 31 technical glitch 31 inverters 31 substation 31 capacitors 31 electrical appliances 31 charger 31 blackout 31 powerline 31 catalytic converter 31 turbine 31 weatherization 31 air conditioning 31 engine compartment 30 battery powered