Sometimes troubleshooting is less electrical theory and more architectural archaeology. 😂 What’s the strangest location where you’ve found the GFCI controlling a dead receptacle?

Now I just have to figure out how to keep the Bluetooth from getting tangled.

What is the primary purpose of the adjustable heat anticipator found in some heating-only thermostats? A. Increase the system’s supply voltage B. Keep the blower operating continuously C. Open the heating circuit slightly before the room reaches the set temperature D. Prevent the compressor from receiving liquid refrigerant Answer will drop in a couple days. 👍

You walk into a room protected by a passive infrared (PIR) motion detector, and it detects your movement. What is the PIR sensor actually detecting? A. Sound waves bouncing off your body. B. Changes in infrared energy across its detection zones as you move. C. A change in air pressure when you enter the room. D. A magnetic field created by your movement. Drop your choice in the comments. New to alarm systems? Take a guess. That’s how we learn. We’ll reveal the answer and explanation in a couple of days. 👀

A junction box contains a straight pull with a 4-inch raceway entering one side and leaving through the opposite side. What is the minimum required box length in the direction of the pull? A. 24 inches B. 28 inches C. 32 inches D. 36 inches Answer coming in a day or two—post your calculation below.