Richard Lightfoot

9 Flips | 2 Magazines | 6 Likes | 2 Following | 2 Followers | @richlight | Keep up with Richard Lightfoot on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Richard Lightfoot”

20 Important URLs That Every Google User Should Know

20 Important URLs That Every Google User Should Know<p>Google is much more than a search engine. Google offers dozens of interesting services in Google …

How the Weather Affects Conductors

Sag<p>Notice how a conductor is strung between poles. It is not pulled tight; it sags. In hot weather it sags even more than in cold weather. <b>Consider</b> …

Network Protection And Automation Guide

Protective Relays, Measurement and Control<p>Since 1966, the <b>Network Protection and Automation Guide</b> (formerly the Protective Relays Application Guide) …

Calculation of Size of Transformer, Fuse and Circuit Breaker

Size of Circuit Breaker & Fuse are as per NEC 450.3<p><b>This MS Excel spreadsheet calculates the following:</b><p>Size of Circuit Breaker on Primary side of …

SolarReserve Wants To Build 600 MW Solar Power Plant In Saudi Arabia

<b>Published on</b> July 8th, 2013 | <i>by Giles Parkinson</i><p>1<p>July 8th, 2013 by <b>Giles Parkinson</b><p><i>This article first appeared on RenewEconomy (image added).</i><p>Image …

Calculation Example of Small Photovoltaic (PV) Residential Stand-Alone System

Example<p><i>– Array Size</i>: 10, 12-volt, 51-watt modules; Isc= 3.25 amps, Voc= 20.7 volts <i><br>– Batteries:</i> 800 amp-hours at 12 volts <i><br>– Loads:</i> 5 amps DC and …

Self Freezing Coke Video By Grant Thompson Has Completely Blown Our Minds

"Grab a bottle of room temperature soda, and start shaking it violently." That's the first bit of instruction on Grant Thompson's incredible self freezing Coke (or any other soda) video.<p>Look guys, we were never big science buffs in school, but that's probably because no one ever presented the …

Parents: Parenting News & Advice for Moms and Dads

The weekend TODAY anchors were in for a treat when their moms burst into their Mother's Day cooking...<p>TODAY's Sheinelle Jones, Craig Melvin and Dylan …