NCCER 26211-20 ACTUAL Questions and
Answers | 2026 Simplified Cheat Sheet | A+
Verified
• A motor is connected L1 to T1, L2 to T2, and L3 to T3. To reverse the motor, the leads
need to be connected _____. -✓✓L1 to T3, L2 to T2, and L3 to T1
• A motor overload relay consists of a current-sensing unit and a mechanism activated
by the sensing unit that _____. -✓✓opens the motor circuit
• A shading coil is used to _____. -✓✓prevent contact chatter
• A single-pushbutton contact can be used to control the sequence of operation of
several loads by using a _____. -✓✓multi-pole relay
• An opto-isolated solid state relay is activated by _____. -✓✓light
• Contacts that are apart when the relay is de-energized are said to be _____. -
✓✓normally open
• If contactor action is dependent on current flow, the contactor is described as _____. -
✓✓electrically held
• Increasing the armature spring force in a relay will result in _____. -✓✓higher drop-out
values
• Low-voltage remote control switching relays _____. -✓✓use a split low-voltage coil
• Mechanically held relays and contactors are often used in auditoriums because _____.
-✓✓they are quieter than electrically held devices
• Power to operate low-voltage switching systems is supplied by _____. -✓✓a
transformer
• The lubrication of a large industrial motor at prescribed intervals can be accomplished
using a _____. -✓✓timing relay
• The overload relays in machines associated with continuous processing typically
activate a(n) _____. -✓✓alarm circuit
Answers | 2026 Simplified Cheat Sheet | A+
Verified
• A motor is connected L1 to T1, L2 to T2, and L3 to T3. To reverse the motor, the leads
need to be connected _____. -✓✓L1 to T3, L2 to T2, and L3 to T1
• A motor overload relay consists of a current-sensing unit and a mechanism activated
by the sensing unit that _____. -✓✓opens the motor circuit
• A shading coil is used to _____. -✓✓prevent contact chatter
• A single-pushbutton contact can be used to control the sequence of operation of
several loads by using a _____. -✓✓multi-pole relay
• An opto-isolated solid state relay is activated by _____. -✓✓light
• Contacts that are apart when the relay is de-energized are said to be _____. -
✓✓normally open
• If contactor action is dependent on current flow, the contactor is described as _____. -
✓✓electrically held
• Increasing the armature spring force in a relay will result in _____. -✓✓higher drop-out
values
• Low-voltage remote control switching relays _____. -✓✓use a split low-voltage coil
• Mechanically held relays and contactors are often used in auditoriums because _____.
-✓✓they are quieter than electrically held devices
• Power to operate low-voltage switching systems is supplied by _____. -✓✓a
transformer
• The lubrication of a large industrial motor at prescribed intervals can be accomplished
using a _____. -✓✓timing relay
• The overload relays in machines associated with continuous processing typically
activate a(n) _____. -✓✓alarm circuit
