Viewing profile — millebe

Now if you tried this with a hot bolt and equally hot nut, the bolt would contract along its length, but the threads would get looser so it’d probably still be a net loss for clamp…

This wouldn’t work. The primary reason heating and cooling bolts works for their removal is because they expand anisotropically due to constraints and then shrink uniformly. If you…

NEC chapter 7, article 720 covers wiring of less than 50V. It's important to note that elsewhere in the NEC and other codes, "low voltage" is defined as Your fire marshal might hav…

Your choices are either: - Install this equipment in a permanent manner consistent with its listings and all applicable codes. "Off-grid" does not mean "do whatever you want", it m…

The rules specify equipment must be installed in a manner per its listing, and there are at least four nationwide codes that cover the attachment of solar panels. In California I w…

This is dangerous and illegal everywhere in the United States. DO NOT DO THIS! All 50 states have adopted NFPA 70, the National Electric Code, and the linked article shows a bunch …

14 CFR 121.311(b) Except as provided in this paragraph, each person on board an airplane operated under this part shall occupy an approved seat or berth with a separate safety belt…

I think, to put it more simply, those two diodes exist to cause a 1.4 volt drop to the transistor. The transistor is a PNP transistor, so the base (middle terminal) must be about .…