Menlo Park, Calif. — Raychem Circuit Protection, a business unit of Tyco Electronics, has introduced the PolySwitch LVR series of resettable circuit protection devices to help protect electric motors ...

Transformer secondary conductor protection for voltage levels less than 1,000V is adequately covered in Art. 240 of the National Electrical Code (NEC) – more specifically, Sec. 240.21(C)(4). There are ...

Insulation resistance testers, often called megohmmeters, are fundamental tools for preventive maintenance, used to assess ...

Violations of the National Electrical Code (NEC) regarding transformers are often encountered while performing electrical plan reviews. There are far too many NEC requirements to explain in just one ...

Beckwith Electric's Transformer Protection System M-3311A provides protection, control, monitoring and user interface functions for two, three or four-winding transformers Beckwith Electric's ...

Complex grids depend on equipment such as transformers, protection relays, switchgear, and cables—each of which can develop ...

In early 2006, the Colorado Springs Utilities' (SU; Colorado Springs, Colorado) safety and health department reviewed a new fall-protection mast for the top of the 112 transformers in its substation ...

Raychem Circuit Protection, a business unit of Tyco Electronics, has announced the introduction of its PolySwitch(tm) LVR series of resettable circuit protection devices. PolySwitch LVR devices help ...

Keywords: High voltage bushing structures. Seismic performance. Stiffening techniques. Vulnerability. Damage mitigation. Numerical simulations. Shaking table tests ...

Transformers and power transmission lines at a power distribution yard August 18, 2003 in Des Plaines, Illinois. Westrafo will build medium, high-voltage transformer plant in Trotwood, Ohio, with ...