Observation: A man would have tested the power strip before attaching all the strings of lights. It did not occur to old lady Lorraine! The pictures prove that occasionally “the old lady” occasionally walks away from the computer. (“Occasionally” is used twice for emphasis.)
Power strips have a circuit breaker. I know you didn’t have anything plugged in that required a high draw, like a heater or other appliance, but that might be a consideration.
Three Quarters & Counting 
Power strips have a circuit breaker. I know you didn’t have anything plugged in that required a high draw, like a heater or other appliance, but that might be a consideration.