Three-phase motors can be reversed by changing any two stator leads. Forward–reverse controls also employ interlocking to prevent both the forward and reverse coils from... Read More
electricalterminology
The motor nameplate contains important information about the connection and use of the motor. An important part of making motors interchangeable is ensuring that nameplate... Read More
Sometimes you can inspect a fuse just by looking at it. A cartridge fuse may be blackened and distorted, the contact terminals may be arced... Read More
Transformers are used in business, industry, and commerce as well as for schools and homes. They come in many sizes and shapes. Six typical uses... Read More
RCD (Residual current device) will only trip on a fault between live conductors and earth. It will not trip when there is a fault between... Read More
