Concerning Electrical Enclosures

An electrical enclosure is a container for electrical or electronic equipment.
They sometimes are also used to mount knobs, switches, and other user controls plus indicators such as touchscreens, readouts and various other displays.
Their primary function, however, is to protect users from electric shock and protect the internal components from the elements.
Regulations may dictate the features and performance of enclosures for electrical equipment in hazardous areas, such as coal mines, petrochemical plants, and various power distribution facilities. Electronic packaging may place many demands on an enclosure for: Continue reading “Concerning Electrical Enclosures”

A little about PLC’s

It seems to me that most information available on this topic assumes a moderate knowledge level before beginning their discussion, so I intend to break this down a little to accommodate those of you who may not have even heard of PLC’s before today.  Along the way, I will share my perspective as someone who has been working “hands-on” since the late eighties.
The most basic form of PLC’s are hardened, industrialized PC’s which provide inputs and outputs. Continue reading “A little about PLC’s”

About Motor troubleshooting and the use of Meggers…

This particular activity is potentially very dangerous because power needs to be applied and locked out frequently, so please follow proper lockout-tagout procedures!
Meggers are a must in the area of industrial electrical troubleshooting because they can help quickly identify some sources of malfunctions while eliminating other sources as the cause of the malfunction.
As an example, let’s say that a motor refuses to turn. The problem could be coming from let’s say 3 different directions. Continue reading “About Motor troubleshooting and the use of Meggers…”