Exam (elaborations)
Final Exam NR302 NR 302 Latest Health Assessment Chamberlain
- Course
- Institution
Final Exam - NR302 / NR 302 (Latest 2023 / 2024) : Health Assessment - Chamberlain
[Show more]
Seller
Follow
Academik001
Reviews received
Content preview
Final Exam - NR302 / NR 302 (Latest 2023 /2024) : Health Assessment - Chamberlain
1). Section ____ of the nec states that luminaries, switches, receptacles and other electrical
equipment not associated with the hydro massage tub shall be installed according to____
Ans: 680.72, chapters 1 through 4
2). Each 10' section of lighting track is rated for 15 amps at 125 volts. the circuit supplying
this track can be connected to a ___- amp, single pole breaker in a 120/240 volt singe
phase, 3 wire panel.
i. 15 ii. 20
Ans: I only
3). Fire alarm circuits and equipment shall be grounded in accordance with nec article______.
Ans: 250
4). When a 120 volt receptacle and a tv outlet are mounted in a double gang box, _____ is
required in the box to isolate the tv conductors from the power wiring.
Ans: a barrier
5). Plan ahead of time for lane changes; ____; and signal your intentions to traffic behind and
swing over in a long, gradual tangent.
i check your rear view mirrors. ii. reduce your speed. iii. check your blind spots.
Ans: I and III only
6). Is it permitted to connect the metal frame of the attic exhaust fan to the grounded
conductor?
Ans: no
7). The nec reference that permits or prohibits connecting the metal frame of the attic
exhaust fan to the grounded conduction is_____,
PaperStoc.com Page 1 of 18
, Ans: 250.142 (B)
8). You are sent on a service call to install power for a new central air-conditioning unit. the
nameplate has the following information: ph 1 volts 240 mca 25.5 mocp 45 a fuse. the old
(inefficient) unit has 6 awg copper branch circuit conductors, a 60-a braker in the panel,
and 60-amp fuses in the ac disconnect switch next to the unit. you are permitted to____.
Ans: leave the ^0-A breaker in the panel but change the fuses in the disconnect to 45
amps
9). When class 2 control circuit wiring enters the wiring enclosure of a piece of equipment,
this wiring is permitted to pass through the line voltage of the enclosure if no splices are
made in the class 2 wiring.
t/f
Ans: False
10). When measuring the depth of a buried raceway, you must measure from the top of finish
grade to the ____ of the buried raceway.
Ans: Top
11). Television antenna and lead-in wires are covered under article ____.
Ans: 810
12). Class 2 control circuit wiring that supplies a piece of equipment____ permitted to be
supported by attachment to the power raceway or cable that supplies the equipment.
i/in
Ans: is not
13). What is the minimum burial depth of a 20-amp, gfci protected, 120 volt branch circuit
under a two family dwelling? the wiring method is type uf cable. the duplex is not built on a
concrete slab.
Ans: 12''
14). When laying out the wall receptacle locations in a bedroom in a house, a receptacle is
required to be installed in a wall space that is 1'-10' wide.
t/f
PaperStoc.com Page 2 of 18
, Ans: False
15). An air conditioner will be installed on the roof of a sporting goods store. the nec requires
that a 15- or 20- ampere, 125 volt receptacle be installed for servicing the equipment. the
receptacle will be outside and exposed to weather. the receptacle is required to____.
i. have a weather proof cover installed
ii. be gfci protected
iii. be located 25 feet or less from the equipment.
Ans: I,II,III
16). What size thwn copper conductors are required to supple a 15,000 watt, 240-volt furnace?
(assume single phace and 75c terminators).
Ans: 4 awg
17). What nec article covers community antenna and television and radio distribution?
Ans: 820
18). An air conditioner will be installed on the roof of a "strip" shopping center. the nec requires
that a 15- or 20- ampere, 125-volt receptacle be installed for servicing the equipment. the
receptacle will be outside and exposed to weather. the receptacle is _____.
i. required to have a weatherproof cover installed
ii. permitted to be connected to circuit on the load side of the air conditione disconnection
means.
Ans: I only
19). The white conductor contained in a 12/2 with ground mc cable can be marked with orange
taper where visible or accessible and used to feed the hot to a switch.
t/f
Ans: False
20). What standard size fuses would be required for a 24-volt, 15,000- watt furnace? (assume
single phase).
Ans: 80
PaperStoc.com Page 3 of 18
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Academik001. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82871 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now