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Rhode Island electrical test UPDATED
ACTUAL Questions and CORRECT
Answers
What is the largest conductor that is needed when connecting to a ground rod? - CORRECT ANSWER - #6 250.66A The highest current rating of an Edison base plug fuse is - CORRECT ANSWER - 30A 240.51A How must a neutral that is number six or smaller be identified - CORRECT ANSWER - Continuous, white or grey finish, three continuous white stripes on other than green insulation. 200.6A The smallest bonding conductor permitted for pool equipment is - CORRECT ANSWER - #8awg 680.26B What other protection is required on motor overload relays and other devices that are not capable of opening short circuit or ground faults - CORRECT ANSWER - Fuses or circuit breakers 430. Do well casings need to be connected to a grounding electrode system - CORRECT ANSWER - Yes. 250.50A What must be provided for in all working spaces above service equipment? - CORRECT ANSWER - illumination What are small appliance loads calculated at? - CORRECT ANSWER - 1500VA 220.52A A fuse a circuit breaker that is used for circuit protected, The fuse or overcurrent trip unit shall be connected. - CORRECT ANSWER - In series. 214.15A What is the minimum size conductor that can be run in parallel - CORRECT ANSWER - 1/0. 310.4A
What is the minimum size conductor that can be run in parallel? - CORRECT ANSWER - 1/0. 310.4A Is poly vinyl chloride conduit (pvc) allowed in theaters - CORRECT ANSWER - No 352.12F A protective device for limiting surge voltages by discharging or bypassing surge current, and also preventing continued flow or follow current, is called - CORRECT ANSWER - A surge arrestor What device is used to test insulation? - CORRECT ANSWER - A mega ohm meter The capacity of supply branch circuit conductors, and the overcurrent protective device shall not be less than _________ of the momentary rating - CORRECT ANSWER - 50%. 660.6A an assembly of electrically interconnected electrolytic cells supplied by a source of direct current power is known as - CORRECT ANSWER - Cell line 668.6A When testing a load center with the main disconnect open using an ohmmeter, if the ohmmeter showed any resistance at all on the scale, the conclusion would be - CORRECT ANSWER - The fuse is good The necessary equipment connected to the load end of the service conductors to a building or other structure and intended to constitute the main control and cut off of the building is known as - CORRECT ANSWER - Service equipment. 100 How shall data processing systems be disconnected? - CORRECT ANSWER - By approved means
What is the maximum height of a lighting fixture when supported only by the shrew shell of the lamp holder? - CORRECT ANSWER - 16'' 410.30 a In the 2008 code, all residential circuits must be either GFI or AFC I protected. Does this include the fire alarm circuits - CORRECT ANSWER - No. 260.41B or 260.121B
Unless provisions are made for expansion and contraction, heating elements and assemblies for fixed outdoor deicing systems shall not be installed where - CORRECT ANSWER - The bridge expansion joints. 426.20 E. Heavy duty type lamp holders are required on branch circuits, having a rating in excess of_________ - CORRECT ANSWER - 20 A. 210.21 a Equipment grounded, conductor contacts of receptacles, and cord connectors must be grounded by - CORRECT ANSWER - Connection to the equipment, grounding conductor. 406.3C Temporary wiring used on a construction project must be removed - CORRECT ANSWER - Immediately upon completion of construction. 590.3-D. What is the minimum size copper wire that can be used on a 600 V system? - CORRECT ANSWER - 14 AWG. 310.5. What is the minimum thickness of a plate or bushing used to protect wire? - CORRECT ANSWER - 1/16 of an inch. 300.4 A1. Service drop conductors, that do not exceed 300 V to ground and go over residential driveways must be how many feet above finish grade - CORRECT ANSWER - 12 feet. 230.24B2. What size service is required for 120 V 240 V single phase load with a demand factor of 36KVA - CORRECT ANSWER - 150 A. 36,000/240. The general lighting load for residential service is - CORRECT ANSWER - 3 VA per square foot. 220.12. What is the maximum distance for a required support for rigid steel conduit from the service head? - CORRECT ANSWER - 3 feet. 344.30 a.
The service grounding conductor is sized by - CORRECT ANSWER - Ungrounded service entrance conductor. 250.66. What is the maximum number of overcurrent device, including the main, that is allowed in a panel board - CORRECT ANSWER - However, many it is designed, rated and listed for. 408.54. When using a time delay fused to protect a circuit with no motor load the fuse size must be at least - CORRECT ANSWER - 125% of the continuous load +100% of non-con continuous loads. 210. a At what point must the branch circuit overcurrent device be placed in an electrical system? - CORRECT ANSWER - Whether a conductor receives its supply. 240.21. Where must the disconnecting means for an air conditioner or refrigerating apparatus be located? - CORRECT ANSWER - Within sight. 440.14. A surge arrest installed in a class two location shall be installed and what type of enclosure - CORRECT ANSWER - Identified for the location. 502 35. A typical wet niche fixture must be installed above the waterline at least - CORRECT ANSWER - 18 inches. 680.23 A5. Make conduit bushings constructed wholly of insulating material be used to secure a raceway to a panel board - CORRECT ANSWER - No. 300.4G. Where not subject to to damage,___________are permitted to project over the side rails of cable trays - CORRECT ANSWER - Cable slices A__________ shall not be permitted to be fed from more than a single circuit, Unless it is listed and marked as a 2-circuit or 3-circuit switch - CORRECT ANSWER - Multiple snap switch What is the largest conductor needed when connecting to a ground rod? - CORRECT ANSWER -
Service conducted run above the top level of a window shall be permitted to be less than the___________ Requirement. - CORRECT ANSWER - 3' In a garage, unenclosed equipment that may produce arcs or sparks must be placed at least what height above the floor - CORRECT ANSWER - 12' Heavy duty lamp holders are required on branch circuits, having a rating in excess of? - CORRECT ANSWER - 20A What is the minimum thickness of a plate of bushing used to protect a wire? - CORRECT ANSWER - 1/16" The general lighting load of residential service is? - CORRECT ANSWER - 3VA What is the maximum distance for required support for rigid steel conduit from the service head? - CORRECT ANSWER - 3' Varying duty is defined as_________? - CORRECT ANSWER - Operation at loads and for intervals of time, both of which may be subject to wide variations. Recognized as suitable for the specific purpose, function, use, environment, and application is the definition of____________. - CORRECT ANSWER - Identified Something construct, or treated so as to prevent rain from interfering with the successful operation of the apparatus under specific test conditions is defined as? - CORRECT ANSWER - Rainproof Service conducted between the street in the first point of connection to the service entrance run underground are known as? - CORRECT ANSWER - Service lateral Switches or other equipment operating at 600, nominal, or less and serving only equipment within a high- voltage vault, room, or enclosure, shall be permitted to be installed in the_________ enclosure, room, of vault if accessible to qualified persons only? - CORRECT ANSWER - High voltage
Equipment such as raceways, cables, waterways, cabinets, panels, etc. can be located above over below other electrical equipment does not extend more than__________ inches from the front of the electrical equipment - CORRECT ANSWER - 6" The minimum headroom of working spaces above service equipment, switch boards, panel boards, or motor control centers shall be 6'6", except service equipment or panel boards in existing dwellings units that do not exceed 200 A - CORRECT ANSWER - True Connection by means of wire binding screws or studs and nuts, having unturned lugs all the equivalent shall be permitted for_________ or smaller conductors? - CORRECT ANSWER - # Connected to Earth, or to some conducting body that serves in place of earth is called - CORRECT ANSWER - Grounded Equipment or materials to which a symbol or other identifying marks acceptable to the authority having jurisdiction has been attached as known as - CORRECT ANSWER - Labeled What is the demand factor for five household electric dryers? - CORRECT ANSWER - 85% At least one receptacle outlet shall be stalled within__________ of the top of a show window for 812 linear foot or major fraction there of - CORRECT ANSWER - 18 inches The_________ of a grounding conductor shall not depend on connection to a metallic enclosure raceway or cable armor - CORRECT ANSWER - Continuity We're oversized, concentric or eccentric knockouts are not encountered, type IMC shall be permitted to be unsupported with the raceway is not more than-___________? - CORRECT ANSWER - 18"
