A) manufactured grounding B) field assembled grounding The plate is what type of grounding electrode? C) in-situ grounding electrode D) artificial grounding electrode electrode electrode

When installing an electrical system using Rigid PVC Conduit, what characteristic must be A) has a higher coefficient of B) has a lower coefficient of C) has a lower coefficient of D) has approximately the same considered? expansion than steel expansion than aluminum expansion than steel coefficient of expansion as steel

A single dwelling is supplied with electrical power from the local supply authority. The owner of the single dwelling wishes to interconnect his own electrical renewable power system with the local supply authority's system. The owner also wants to use the energy from the renewable A) 120 V B) 80 V C) 50 V D) 46 V system to charge storage batteries for standby power. What is the maximum operating voltage rating of the storage batteries to be used for the standby power system?

Which type of enclosure can be used to house a panelboard inside a building that has circulating A) Type 1 B) Type 2 C) Type 4 D) Type 5 metal dust from grinding metal castings?

What is the minimum size of RW90XLPE copper conductor that can be installed in a run of EMT that is used to feed the primary of a 75 kVA, dry-type, 600-120/208 V protected by a A) No. 1 AWG B) No. 2 AWG C) No. 3 AWG D) No. 4 AWG moulded case circuit breaker?

What is the maximum distance that the disconnecting means for a roof top air make up unit can A) 1 m B) 3 m C) 7.5 m D) 9 m be located from the unit?

For a line voltage installed in an abattoir, what type of enclosure would the switch have to A) Type 1 B) Type 2 C) Type 3 D) Type 4 be installed in?

How is the maximum open-circuit voltage rating used to determine the minimum insulation A) multiplied by 1.1 B) multiplied by 1.25 C) multiplied by 1.5 D) multiplied by 2.0 voltage rating for insulation used on photovoltaic source circuit conductors?

A) to prevent the customer from B) to prevent power other than D) to prevent the use of coaxial C) to prevent any electrical current energizing the coaxial cable on the radio and television frequency cable for supplying power to What is the purpose of a power blocking device when used in a coaxial cable distribution system? from entering the customer service customer side of the customer signals from extending to outgoing amplifying devices and similar enclosure at all times service enclosure coaxial cable equipment

What level of Ingress Protection is needed for solid objects greater than 1 mm and vertically A) IP61 B) IP52 C) IP41 D) IP30 dripping water?

A pipe rack is to be installed to support the following runs of rigid PVC conduit: two - 53; one - 78; A) 750 mm B) 1500 mm C) 2000 mm D) 3000 mm and one - 16. What is the maximum distance the supports can be apart?

What is the minimum number of straight threads that must be fully engaged in a rigid metal A) 3 B) 5 C) 6 D) 8 conduit threaded joint in a Zone 1 installation?

Floor mounted receptacles are to be installed in a new vehicle showroom that has the capacity to display 12 vehicles. What is the area classification of the showroom if there is no repair garage A) ordinary location B) Class I, Zone 2 location C) Class I, Zone 1 location D) Class I, Zone 0 location attached to the showroom?

What is the maximum rating of the overload devices that can be used to protect a 30 hp, 600 V, 3- A) 36.4 A B) 32.5 A C) 29.9 A D) 26.0 A phase, S.F. 1.1 synchronous motor-generator?

A 10 - 4 SOW flexible cord used to feed a 3-phase sump motor has a maximum ampacity of how A) 25 A B) 30 A C) 45 A D) 60 A many amperes?

You have been requested to determine the minimum RW90XLPE aluminum branch circuit conductor size for a non continuous duty motor. By what percentage of the current rating on the A) 150 percent B) 120 percent C) 110 percent D) 85 percent motor's nameplate should the conductor size be increased if the motor is determined to be a short-time duty cycle motor on a 15-minute rating?

Where must U-ground receptacles have the U-ground slot located when they are installed in the D) can't be installed in the vertical A) uppermost B) lowermost C) doesn't matter vertical plane in commercial kitchens? plane

What is the maximum size of non-time-delay that can be used to protect a 30 hp, 460 V, 3- A) 90 A B) 100 A C) 110 A D) 125 A phase, S.F. 1.1, motor when started at full line voltage?

When using an extension ladder to gain access to a roof, what is the minimum distance the ladder A) 600 mm B) 750 mm C) 900 mm D) 1 000 mm is to extend above the roof line?

What is the maximum size of non-time-delay fuse permitted to be used to protect a 25 kVA, 600- A) 60 A B) 70 A C) 80 A D) 90 A 120/240 V, 1-phase 3- dielectric liquid-filled transformer?