Test 9

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What is the voltage drop in a number eight AWG copper branch circuit with a load of 220/4655 V amp at 220 V and a link one way of 320 feet

10.54 volts

A 115 V single phase 3 hp motor has a name plate current reading of 36.5 amp. What is the minimum amp permitted by code for the branch circuit conductor

42.5 amp

A new mobile home park is constructed. It will have 28 sites. Calculate the minimum size and amps permitted for the Park service

448 amp

What is the recommended maximum percent voltage drop on both feeders and branch circuits to the farthest out but

5%

There is a 175 foot run of EMT one and a half inches in sizw and it contains 5208 V three circuits. What is the derating percentage

50%

The minimum illumination permitted by code that service equipment panelboards Exc. operating at less than 600 V is

500 foot candles

A grounding electrode connection is required at a separate building or structure under which of the following conditions

All of the above

In a dwelling which of the following built in appliances can be cord and plug connected

All of these

Armored cable is required to have a fitting to protect the conductors from abrasion. A blank shall be provided between the conductors and the armor

Approved insulating bushing

The grounding terminal of the grounding type receptacle installed in a metal box Shall be

Bonded to the metal box

What type of devices shall not be located over steps of a stairway

Breakers

The minimum burial depth of a 15 amp 125 V circuit consisting of a GFCI protected UF cable and run to a lamp post on residential property without passing underneath any driveways is

12 inches

The minimum size copper conductor permitted in metal clod cable is number

18 AWG

Snap switches rated blank amp or less directly connected to aluminum conductors shall be listed and marked for CO/ALR or

20 amp

A three HP one pump motor it has a name plate full load amps rating of 16.2 at 240 V. What is the minimum size of the branch circuit permitted to supply this motor

21.25 amp

A raceway contains nine number 12 AWG THHN and doctors from a 120/240 V single phase panel board. The conductor supply three 120/240 V three wire circuits made up of phases A and B and a ground conductor. What is the allowable amp for each of the number 12 AWG connectors

24

A metal box with cable clamps consisting of the following. Two pieces of 12/2 Romax what ground connected to a duplex receptacle and one piece of 14/3 Romax with ground. What is the minimum cubic inch capacity required

24 in.³

What is the minimum distance required for a service outlet for an AC or heating unit

25 feet

A 120 x 208 service has a calculated load of 350 amp. The grounded conductor is considered to be current carrying as 52% of the calculator load is not linear. The service will be installed overhead and rigid metal raceway. What is the smallest copper THHN connector that may be used

600

Where a branch circuit wiring is modified, replace were extended the branch circuit shall be protected by

A listed combination type AFC I located the origin of the circuit

A lubrication service pit without ventilation is installed in a minor repair garage. There is no dispensing a flammable liquids on the premises. The classification of this pit is

Class one division two

A motor disconnecting means shall be within sight from the

Controller and disconnect all underground conductors into it

The conductive path that provide a ground fault current path and connects normally noncurrent carry metal parts of equipment together to the system grounded conductor or to the grounding electrode conductor or her both is called

Equipment grounding conductor

The horsepower rating of a 200 V single phase motor during 22. To FLA and operating at 84% efficiency is

Five HP

A 1/0 Copper insulated grounding electrode conductor is installed in electrical metallic tubing to provide support for the ground wire. The EMT extends across the ceiling of a large structure from the service entrance equipment disconnecting means to a point where the underground metal water pipe enters the structure. Which of the following best describes code requirements for this EMT raceway

It must be electrically bonded from the service to the water pipe

A 125 V 20 amp outlet type wall receptacle is to be installed in the bathroom of a drugstore. Which of the following best describes code requirements for the installation of this receptacle

It must have GFCI protection

Who is the best girlfriend ever

Katie

When I continuous duty motor rated one horse power or more but not marked with service factor or temperature rise is protected by a separate overload device the device shall be selected to trip at no more than blank percent of the motor nameplate current rating

115

A 10 kVA Single phase 480/240 V transformer is installed with the secondary connected to 140 V two wire. There is no overcurrent device on the secondary side. What is the minimum size permitted by code for the secondary conductors if the primary is protected with a 30 amp circuit breaker

60 amp

And electrically conductive path from the point of a ground fault on a wiring system through normally non-current carrying conductors equipment for the earth to the electrical supply source is called

Ground fault current path

A mobile home that has been designed to be used with a permanent foundation and has the service equipment factor installed in compliance with the article 230 with proper grounding means is defined as a

Manufactured home

Raceway cables or boxes shall be installed and supported so that the raceway cables were boxes is not less than blank measured from the lower surface of the roof decking

One and a half inches

Which of the following is not true concerning overload protection for a motor

Overloads must provide fault protection

In general class two and class three circuit conductors shall not be secured to

Raceways

A 24 inch wide by 5 foot long island countertop she'll have receptacles installed

So that at least one is provided

A metal pole supporting a luminaire is installed in a parking lot. The pool is 18 feet high but does not have a 2 x 4" hand hold in the bottom. Which of the following best describes code requirements for this installation

The pole must have a hinged base


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