How an A/C System got to be Oversized (Maybe) But My Old Unit Worked Fine?! Most of us have heard this at some point. This complaint typically comes from a particularly unhappy customer after the installation of a brand new A/C system. Throughout this article, we’re going to explore the possible root causes of this […]

Do you remember the first time you used a ratchet? Neither do I, but I DO remember the context in which I first used one. In order to understand my story with ratchets, I need to introduce you to my grandpa, Don, the man who I have always called “Papa.” My grandpa has done so […]

On an energized, intact circuit, you will read voltage across an OPEN switch when testing with a voltmeter. However, you probably won't read significant voltage across a CLOSED switch. Both sides of a closed switch are electrically identical (or at least very close). Therefore, there should be no movement of electrons between the leads of […]