2-way sounds logical because one normally goes in two ways on stairs.
But, I think the reference to 3-way is about the wiring.
https://www.priceelectric.com/whats-the-difference-between-a-two-way-switch-and-a-three-way-switch/
2-way sounds logical because one normally goes in two ways on stairs.
But, I think the reference to 3-way is about the wiring.
https://www.priceelectric.com/whats-the-difference-between-a-two-way-switch-and-a-three-way-switch/
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.