According to the nec® Study guides, Class notes & Summaries

According to the NEC®, the ampacity of branch circuit conductors must be derated when there are more than how many current-carrying conductors in a raceway? - correct answer 3 Air conditioning overcurrent protective devices can never exceed what percentage of the motor-rated load current or the branch circuit selection current (whichever is greater)? - correct answer 225% Conductors must be derated when installed in conduit - correct answer on or above rooftops Continuous loads are cal...

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? Select one: a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. The load of higher resistance would overheat and probably be damaged. Refer to Figure 128.202. ___ volts are applied across the water heater element. S...

Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Quiz_ 2022. According to the NEC®, the ampacity of branch circuit conductors must be derated when there are more than how many current-carrying conductors in a raceway? Air conditioning overcurrent protective devices can never exceed what percentage of the motor-rated load current or the branch circuit selection current (whichever is greater)? Conductors must be derated when installed in conduit Continuous load...

IEC LESSON 108 HW QUESTIONS WITH VERIFIED SOLUTIONS ___ can prevent scaffolding accidents Good housekeeping and safe procedures ___ may be used to raise worker height on a scaffold. nothing According to NEC® Section 240.4(B), if the ampacity of a conductor does not match up with a standard fuse rating, what are you allowed to do? Use the next higher standard rating According to the NEC® at 210.50(C), a receptacle outlet for a washing machine must be installed within ___ feet o...

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? Select one: a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. The load of higher resistance would overheat and probably be damaged. Refer to Figure 128.202. ___ volts are applied across the water heater element. Select one: a. 120 b. 240 c. ...

electrician - In construction of one- and two-family dwellings, the quantity and rating of electrical circuits is usually designed by the ___. ampacity - In general, ___ of a conductor must not be less than the rating of the overcurrent device protecting the conductor. the ampere rating of the overcurrent device - Branch circuits are rated according to ___. 12 AWG copper - Ignoring the effects of voltage drop, a 20-ampere branch circuit requires ___ conductors. Ground Fault Circuit Interr...

11-11Residential Electrical Services Latest Questions With Correct Answers. a. Receptacles within garages Which of that following locations at dwelling units require GFCI protection? a. Receptacles within garages b. Receptacles in finished basements c. Receptacles that serve washers and dryers d. Crawl spaces above grade level a. Type MC Which type of cable with a corrugated sheath has a maximum bend radius of 7 times the cable diameter? a. Type MC b. Type SE c. Type AC d. Type NM c...

Residential Electrical Services Quizzes With 100% Correct Answers. An example of a location in a dwelling where a receptacle must have GFCI protection is a garage A type of cable with a corrugated sheath that has a maximum bend radius of 7 times the cable diameter is _____. Type MC a residence with 1,000 square feet of living space has a general lighting load of _____. 3,000 VA According to the NEC®, the small appliance loads in each kitchen area of a dwelling must be served by at least ...

Residential Electrical Services Exam 2024 || All Questions and Answers (Graded A+) Residential Electrical Services Exam 2024 || All Questions and Answers (Graded A+) a. Receptacles within garages - ANSWER-Which of that following locations at dwelling units require GFCI protection? a. Receptacles within garages b. Receptacles in finished basements c. Receptacles that serve washers and dryers d. Crawl spaces above grade level a. Type MC - ANSWER-Which type of cable with a corrugated she...