This story appears in the Oct. 12 print edition of Transport Topics. WEST CHESTER, Pa. — When Frame’s Motor Freight needed a driver to take a load in mid-September from suburban Philadelphia to ...

When swapping out a replacement motor, it’s tempting to unbolt the J-box (junction box/terminal box/ T-box) from the motor and leave it attached to the conduit. The problem with doing so is that the ...

Permanent magnet direct current (dc) motors convert electrical energy into mechanical energy through the interaction of two magnetic fields. One field is produced by a permanent magnet assembly; the ...

Given the title of this article, you might expect the citations to all be in Art. 430. But we begin with Art. 110. Poor workmanship [110.12] is often a factor in motor failures. For example, an ...