Wisc Online Learning Objects Wistech Open

How to open the wiring holes in a distribution box

A plastic electrical box —sometimes called a PVC junction box —comes with small, thin discs called knockouts. These are designed to be removed so wires can pass through. A "knock out" or "KO" is a partially stamped opening in electrical enclosures that allows quick entry of a wire, cable or pipe via connector or fitting to the interior. Many DIYers damage the box by forcing it too. Learn how to wire a distribution box step by step! This video shows real on-site footage of electrical installation, demonstrating safe and standardized wiring methods used by professionals. Safety first! Locate the circuit breaker panel in your home and turn off the power to the area. Punching out an electrical box involves removing the knockout, the small metal disk or tab that covers the hole where electrical wires enter or exit the box.

[PDF Version]

Will leaving the beam splitter door open consume electricity

For homeowners seeking to manage utility expenses, the answer to whether an open door wastes electricity is a definitive yes. Leaving an exterior door ajar, even for a short time, directly impacts the efficiency of a home's heating, ventilation, and air conditioning (HVAC) system. When the door is ajar, conditioned air escapes, forcing HVAC systems to work harder to maintain the desired indoor temperature. This calculator. The short answer? Yes and no. If it does not “work,” then it should not consume electricity either.

How to open a 70m fiber optic cable

This article outlines five specific steps for repair: 1) Identify the break; 2) Cut out the damaged section; 3) Strip the cable; 4) Trim the fiber ends; 5) Test the repair. DIY fiber optic cable repair kits are increasingly popular for those who prefer home repairs. Links to other reference material are provided in the “related literature”. This best practices document is a step-by-step guide for end and midspan access of loose tube optical cable, including sheath removal, core preparation, and fiber preparation. They transmit data as pulses of light through strands of glass or plastic, providing high-speed internet, seamless data exchange, and efficient signal distribution. Find step-by-step instructions and tips for a successful installation.

[PDF Version]

How to open the China-Europe Telecom server chassis

Procedure: Press both release tabs at the same time to unlock the cover. Slide the cover to the rear and lift the cover of the chassis. Click Next to. The following figure shows an empty Cisco UCS X9508 server chassis and identifies the front, back, and vertical node slots, and horizontal module slots. Before you remove or install components, please ensure that all software applications are shut down and management software is in a good state. To remove an array drive, press the release tab (1), and then use the arm (2) to pull the drive. How to open rack server cover | Rack server open #RackServer #ServerMaintenance #ITSupport #ServerSetup #RackServerOpening #ServerHardware #TechGuide #HindiTech #ServerTroubleshooting #ServerTutorial How to open a rack server cover Rack server disassembly guide Server cover removal tutorial Open. Procedure: Press both release tabs at the same time to unlock the cover.

[PDF Version]

No foreign objects allowed on cable trays

Due to their exposure to the open air because of the cable trays, the wires contained within need a very durable outer covering. The regulations dictate that the cables must either be Type TC (also known as Tray Rated) or must be metal-armored (Type MC). Grounding: Metallic trays can serve as equipment grounding conductors (EGC) if they meet NEC requirements. This is a description of how to select, install, and support these metal or plastic frames, on which electrical wires are installed. NEC section 300-8 does not permit any tube, pipe, or equal for water, air gas, drainage, steam, or any service other than electrical in raceways or cable trays containing. All rights, including translation into other languages, reserved under the Universal Copyright Convention, the Berne Convention for the Protection of Literary and Artistic Works, and the International and Pan American copyright conventions. In practice, the applicable standard depends on three factors: In most international projects, product standards and installation standards are not the same: If you only follow one of them, the system may not pass approval.

[PDF Version]

Industry Updates

Still Have a Technical Question?