![wiring - Three way switch with common terminal hard-wired to traveller - Home Improvement Stack Exchange wiring - Three way switch with common terminal hard-wired to traveller - Home Improvement Stack Exchange](https://i.stack.imgur.com/f7guU.jpg)
wiring - Three way switch with common terminal hard-wired to traveller - Home Improvement Stack Exchange
![Wiring help in old house. Nothing in the setup videos or PDF's match this wiring set up. My Home was wired in 1950 and I am unsure what is common wire here, Wiring help in old house. Nothing in the setup videos or PDF's match this wiring set up. My Home was wired in 1950 and I am unsure what is common wire here,](https://preview.redd.it/wiring-help-in-old-house-nothing-in-the-setup-videos-or-v0-t1qbfs4ezhca1.jpg?width=640&crop=smart&auto=webp&s=e415db6d40da7da5e95f0de3049e6392432e22d2)
Wiring help in old house. Nothing in the setup videos or PDF's match this wiring set up. My Home was wired in 1950 and I am unsure what is common wire here,
![hvac - Can I pigtail a "C" common wire to power a Smart Thermostat to the 24v wires coming from the outside AC compressor? - Home Improvement Stack Exchange hvac - Can I pigtail a "C" common wire to power a Smart Thermostat to the 24v wires coming from the outside AC compressor? - Home Improvement Stack Exchange](https://i.stack.imgur.com/yTS6Q.jpg)