Wood beams can be found in many homes. Remodeling may require you to install a new beam next to an existing beam that may be too short or too weak. Wood ceiling beams need to be through bolted when they are connected. You must use the right through bolts and drill holes through the wood beams that match the diameter of the bolts.
Light switch wiring is simple. Take off the light switch covers to see if your light switches are wired correctly. Discovering how to wire a light switch is not hard and can be done safely if you turn off the power to the light switch circuit. You install a light switch by matching up the correct wires to the different screws on the light switch.
A 3 way switch is different from a regular single pole switch. If you look at a three way switch, you will see three screws plus the grounding screw. 3-way switch wiring is simple if you know what to do with all of the wires. Follow the 3 way switch wiring diagram in this video for helpful tips. You will be wiring a three way switch in no time!