Unit 4

In Figure 4-9, the normally closed auxiliary contacts M2 are connected to points

1-4

In Figure 4-9, the normally open auxiliary contacts M1 are connected to points

2-3

Switching devices such as float switches, limit switches, or relays always come with only one set of contacts.

False

In Figure 4-9, the control circuit is connected to

L1 and L2

In Figure 4-9, the auxiliary contacts are marked

MI and M2

In some cases, a general-use snap switch can be used as a disconnecting means for a motor rated 2 hp or less.

True

Automatic controls that can be used in a simple motor control arrangement include

all of these

In Figure 4-9, when the start pushbutton is pressed, the

all of these

In Figure 4-9, which of the following statement(s) is(are) true?

all of these

If a toggle switch for a motor is closed and the power goes out, the

motor will start when the power comes back on

In Figure 4-9, the coil is marked with

the letter M

In Figure 4-9, the letter in the middle of the pilot light symbol represents

the terminal number to which the pilot light is connected

In Figure 4-9, there is(are) _____ momentary- contact pushbutton(s).

two