101 Basic Series - Module 11 - CEU Education
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1
A voltmeter between any two 'hot' wires of a 208Y/120, 3-phase, 4-wire system will read 208V.
True
False
2
Which of the following is not a type of metering device?
Single meter socket
Double socket
Meter breaker
Group metering
All are common types of metering devices
3
Group metering has a main disconnect called a Main Service Module.
True
False
4
A meter stack is similar to the distribution section of a meter pack.
True
False
5
The __________ is an NEC ruling, which states that you must be able to throw no more than six handles in the off position to disconnect all electrical service.
Six withstand rule
Six section surge rule
Six handle rule
6
Meter socket security (ring or ringless) specification is left up to the electrical contracter.
True
False
7
Meter packs can handle up to 600A, 240V systems.
True
False
8
If the meter positions on a 3-phase meter stack are not divisible by three, you cannot use group metering.
True
False
9
A meter pack is a stand-alone metering device that contains a service termination point, up to six meter sockets and branch circuit protection.
True
False
10
The three 'hot' wires of a three-phase, four wire system are designated phase A, phase B, and phase C.
True
False
11
An accessory used on ring-type metering to provide uninterrupted power in case the meter must be removed is called a ___________ bypass.
Manual
Horn
Lever
None of the above
12
There are three main components to a watt-hour meter. Of the list below, which is NOT on of those components?
Measuring device
Meter Socket
Hasps
Jaws
13
Commercial meter stacks have factory-installed equipment ground bars in the ___________.
Side gutter
Top gutter
Bottom gutter
Top and bottom gutter
All of the above
14
A meter breaker consists of __________.
Single meter socket
Tenant main disconnect
Distribution section
Outdoor enclosure
All of the above
15
Group metering with 100 KAIC main fused switch in the main service module feeding stacks with 100 KAIC tenant breakers which feed 10 KAIC loadcenters with 10 KAIC branch breakers would have a ______________ series rating.
10/10/100/100
10/100/100
100/100/10
100/10
16
Residential meter stacks are not commonly rated:
125A, 1-phase
200A, 1-phase
200A, 3-phase
400A, 3-phase
17
Commercial meter stacks are not commonly rated for?
125A, single-phase
225A, single-phase
225A, three-phase
400A, single-phase or three-phase
18
A type of meter socket security in which the socket cover has a drawn ridge that captures the meter and secures it in place is called a ___________ type.
Ring
Ringless
Hoop
Hoopless
19
Each meter stack has a provision for a branch circuit protection utilizing either plug-in or bolt-on circuit breakers.
True
False
20
A customized multiple metering device used as service entrance equipment that has a means of disconnecting the tenant mains is ____________.
Main service module
Meter pack
Group metering
Group sockets
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