Questions about: lighting - страница 1

Those cables have totally different applications. On the left, you have common household power cable in the modern EU (IEC) colors: Ground: mandatory green/yellow Neutral: mandatory blue (today; older installations use other colors) Hot: by common pr
Thanks for the update. First, you have raw smarts but you are scattered, not able to describe what you want succinctly - and you seem to have no knowledge of code electrical, this stuff can kill you and burn your house down (with the lemons). You nee
A couple of weeks ago the magsafe adapter seem to have stopped working, since the light did not turn on. Upon further inspection I found that the light is just very dim and blinking orange. The battery does not charge, and the light on the adapter do
This week’s Well column in Science Times focused on pediatric migraine and why back-to-school time, with lost sleep, skipped meals and other bad habits, can trigger migraine pain. But a number of readers identified what they believe is another culpri
Controlling a light with two or more switchesThis page describes how to use 3-way and 4-way switches to control lights from two or more locations. This is the first of several related pages explaining how to control lights with multiple switches. Cli
L1 is line, N is the neutral, PE is protective earth. .
As Wolf says, a combination of SPDT and DPDT switches. One switch on each floor, top and bottom are SPDT, all others are DPDT. The number of switches is one more than the number of lights
Eco Friendly products include Compact Fluorescent light bulbs, LED light bulbs, and items that utilize sustainable materials such as bamboo or use post consumer recycled content. Energy Efficient Ships to Canada From the Puri collection by SONNEMAN -
I recently replaced over half of the light bulbs in my home with low power LED types. Mostly they work okay and the light they produce is vastly better than fluorescent bulbs plus the power savings, if true, seem impressive but some of them emit a du
It seems that after a little use my app becomes slow and unresponsive on the UITableViewController. There are some pretty intensive methods but once these are done there's no reason why they should effect the overall performance of the app. I've been