ELECTRONICS: Cole Hersee Co.’s new Master Battery Disconnect Switch is ideal for all vehicle electrical systems, including heavy truck, off-road, construction, emergency vehicles, material handling, refuse collection, mining, agricultural and marine. The 75920 Master Battery Disconnect Switch cuts off all battery power from the vehicle electrical system.Cole Hersee’s Master Battery Disconnect Switch also provides an effective emergency power cutoff, protecting vehicles from tampering, theft and battery drain. The Switch also provides service personnel with an extra level of safety, protecting them from hazards, and can be locked-out or tagged-out to satisfy OSHA requirements for energy isolation.
Even when mounted in exposed locations, the 75920 Master Battery Disconnect Switch’s composite engineered polymer housing will not rust or corrode. The switch has been tested per SAE 1455 for road salt, calcium chloride and magnesium chloride, and it is waterproof to IP67. The 75920 Master Battery Disconnect Switch has a high amperage capacity of 300A at 12V dc, can be used in high side or low side applications, and fits the standard Master Disconnect Switch mounting pattern. The switch’s large red knob allows for easy operation with gloved hands, and 90-degree switch travel makes it easy to identify the switch position.
The promise of the Internet of Things (IoT) is that devices, gadgets, and appliances we use every day will be able to communicate with one another. This potential is not limited to household items or smartphones, but also things we find in our yard and garden, as evidenced by a recent challenge from the element14 design community.
If you didn't realize that PowerPoint presentations are inherently hilarious, you have to see Don McMillan take one apart. McMillan -- aka the Technically Funny Comic -- worked for 10 years as an engineer before he switched to stand-up comedy.
The first Tacoma Narrows Bridge was a Washington State suspension bridge that opened in 1940 and spanned the Tacoma Narrows strait of Puget Sound between Tacoma and the Kitsap Peninsula. It opened to traffic on July 1, 1940, and dramatically collapsed into Puget Sound on November 7, just four months after it opened.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.