Skills and Trades

A contactor is a special type of relay designed to handle heavy power loads that are beyond the ...

Started by ddddddddddeeee4444

With regard to relay switching configurations, pole is the number of

Started by Gabby

Which type of relay is best suited for fast switching capability applications?

Started by booty5

Which of the following is not an application for a relay?

Started by eboni

What type of timer is used to shorten long trigger signals?

Started by mmmmm

The setting for a motor OL relay is normally the maximum motor

Started by lauraleepop

The relay contact switching arrangement shown is

Started by yagurl

The basic operating parameters for a protective relay are

Started by mimie

Relays with no contacts, which are switched entirely by electronic devices, are called:

Started by markburs

Normally-open relay contacts are defined as those contacts that are ________ when the coil is ________.

Started by Caileynorton

For the solid-state relay circuit shown, the transistor acts like the ________ of the electromechanical relay.

Started by llesku

For the solid-state relay circuit shown, the ________ provides electrical isolation between control ...

Started by abcdef9106

For the relay shown, contacts #2 are the ________ contacts.

Started by Apple716

For the relay circuit shown, with the switch open

Started by Hunchojack2019!!

For the relay circuit diagram shown, the pilot light will turn on if

Started by knemetz3

An off-delay electromechanical timing relay provides a time delay when its coil is

Started by kckanistras

________ relays function to automatically detect and remove abnormal circuit conditions.

Started by bryantpr01

With selective coordination of overcurrent devices, only the protective device nearest the faulted ...

Started by allywil32

When a fuse blows, replacing it usually corrects the problem.

Started by elarge

Type S plug fuses are designed to prevent switching fuse sizes in the same fuse base.

Started by trevg

Thermal-magnetic circuit breakers include both a magnetic-tripping function, for short-circuit ...

Started by lingual

The purpose of the filler material in a cartridge fuse is to suppress the arc when the fuse blows.

Started by acwiles

The interrupting-current rating of a fuse is the same as the current carrying rating of the circuit ...

Started by lrhoads

The fuse or circuit breaker voltage rating must be at least equal to or greater than that of the ...

Started by xsk4r3kr0w

Short circuits occur in a residence when too many lamps and appliances are plugged into the same circuit.

Started by kaitlynndavis