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Preventive Maintenance for Motor Survival

Feb. 1, 2000

Can four 5kVA buck-boost transformers supply a 20kVA load?

Oct. 1, 1999

Wound-Rotor Motors — High Torque and Adjustable Speed

Sept. 1, 1999

Does Your Motor Have Enough Get-Up-And-Go?

May 1, 1999

Does the NEC Limit a Flexible Metal Conduit Run?

May 1, 1999

Robert J. Lawrie

How Dangerous is This Situation?

April 1, 1999

Q.The electrical system of my Victorian Queen Anne-style home (circa 1900) consists of a mixture of knob and tube, cotton-covered braid, nonmetallic, and plastic sheathed cables...

Matching Motor Torque To Your Load

March 1, 1999

You must consider steady-state, acceleration, and starting torque to ensure the lowest motor operating costs. There's torque, and then there's torque. There's torque, as required...

Can Someone Refresh my Memory?

Feb. 1, 1999

Q. One of my electricians asked if it was a Code violation to install a 200A-rated, 42-circuit-load center, main lugs only, with protection consisting of a 100A switch/circuit...