General Electrician Certification Practice Questions And Answers

How many hours is considered continuous load and its percentage when calculating a continuous load? - ANS 3 hours or more and calculated at 125% percent what does VA stand for? - ANS Volt-Amperes How many VA are required in a barbershop? - ANS 33 VA How many VA are required in a restaurant? - ANS 22 VA Show Windows shall be calculated at _____ VA per feet? - ANS 200 volt-ampere What are standard ampere rating for breakers and fuses? - ANS 15,20,25,30,35,40,45,50,60,70,80,90,100,110,125,150,175,200,225 After calculations there is a load with 75 amperes, the load needs a breaker or fuse of at least ____ amps. - ANS 80 Amps There is a circuit rating 20 amperes, what receptacles can we use? - ANS 15 or 20 ampere receptacles In general, when a size 4 AWG or larger insulated conductor enters a panelboard, cabinet, or enclosure, which of the following must be provided? - ANS An insulated bushing What is the disconnect purpose? - ANS to prevent ungrounded conductors to pass to the service. which of the following is permitted for closing an unused circuit breaker opening in panelboard? - ANS Installation of a closure plate, other device that fits securely and closes the opening, installation of spare or unused circuit breaker that fills the opening are all allowed. Before demand factors are taken into consideration for commercial building, general purpose receptacle loads are to be computed at not less than ___ VA per single or duplex receptacle? - ANS 180 VA in a health care facility, low voltage electrical equipment that is likely to become energized and is frequently in contact with the bodies of patients shall operate on a voltage of ____ volts or less if the equipment is not approved as intrinsically safe, double insulated, or moisture resistant. - ANS 10 volts or less what is the minimum size equipment grounding conductor required by the nec for a branch circuit protected by a 50 ampere rated circuit breaker? - ANS 10 AWG when a mental wire way splices and taps, the conductor, splices and taps shall not fill the wire way to more than ____ percent of the box? - ANS 75% In an installation with schedule 40 pvc conduit system that consists of 50 ft. in length between pulling point, what is the maximum number of bends permitted? - ANS Maximum of four (4) 90-degree bends permitted