The post that you are looking for has been updated.
For Electrical Conduit Go Here: https://mrelectrician.tv/electrical-conduit-types/
For Telephone Wiring Go Here: https://mrelectrician.tv/telephone-wiring-color-code/
For 3-Way Switches Go Here: https://mrelectrician.tv/three-way-switch-wiring-diagram/
Click on All Posts or go to the Electrical Wiring Categories box to find other updated posts.
Visit the home page here: https://MrElectrician.TV