Nhie electrical - Study guides, Class notes & Summaries

NHIE Electrical Exam Questions with 100% Correct Answers Updated What does code say about bends in NM conduit? - Answer- No sharp bends; max 5x cable diameter. What must you do if you run more than 2 wires through the same fireblocked wood framing hole? - Answer- Wires must be derated. What is UF wire? - Answer- Underground feeder cable. What are the rules when using UF cable on the interior of a home? - Answer- Same as NM wiring. When must UF cable be protected? - Answer- Cable em...

NHIE Exam II Electrical Questions and Answers All Correct What is an issue with Edison base fuses? - Answer Edison base fuse is older and all size fuses are the same size, this is a safety problem What is the color coding for the common sized Edison base fuses? - Answer 30 Amp - Green 25 Amp - Green or Yellow 20 Amp - Orange or Red 15 Amp - Blue or Purple 10 Amp - Yellow or Gray What are the service life estimates for circuit breakers? - Answer 30 - 50 years What are Ground Fau...

NHIE EXAM II - ELECTRICAL & MECHANICAL SYSTEMS - MISSED QUESTIONS

NHIE Electrical Practice Test Questions and Answers All Correct Which of the following is the MOST common problem associated with fuses? A. They fail to blow at the rating of the fuse B. Installing 60-amp cartridge fuses where 20-amp fuses are required C. Cartridge fuses falling out of their fuseholders D. Installing Edison-base fuses with a rating that is too large for the conductor - Answer D. Installing Edison-base fuses with a rating that is too large for the conductor The alumi...

NHIE Electrical Prep Exam Questions and Answers All Correct What does a buzzing sound from a fluorescent light indicate? - Answer- That it is near the end of its useful life. The smallest allowed aluminum wire size is 12, while Cu is 14. Why? - Answer- Copper is a better conductor than aluminum. Hydrotherapy tub requires a size ___ AWG. - Answer- 8 Feeder and branch circuit conductor wires are commonly __ CU or __ AL. - Answer- 14 AWG CU, 12 AWG AL Dedicated electrical circuits are...

NHIE Electrical Part 1 Exam Questions and Answers All Correct What receptacles must an inspector test the polarity and grounding of? - Answer- All within 6 feet of interior plumbing fixtures, all in garage or carport, all on exterior of structure. What is the maximum number of throws to disconnect all power to the house? - Answer- Six What is the correct amperage for an air conditioner breaker? - Answer- 40 amps What does two wires entering a service weather head indicate? - Answer- 1...

NHIE Electrical Part 2 Test Questions and Answers Graded A+ What are some traits of aluminum wire? - Answer- Expands more than copper, easier to nick, must have paste to prevent corrosion, must terminate in aluminum rated fixtures. Can aluminum 15 and 20 amp circuits be made safe? - Answer- Yes, if properly sized and terminated with aluminum rated fixtures. What is reverse polarity? - Answer- Hot and neutral wires reversed. What is an example of reverse polarity? - Answer- Light go...

NHIE Electrical Part 3 Exam Questions and Correct Answers Updated What are the clearance requirements for a main panel? - Answer- 30 inches to each side, 36 inches in front, and 6'3" headroom. What is the proper way to touch a panel? - Answer- With the back of your right hand first. What are doorbells connected to? - Answer- Low-voltage transformers. Where should low-voltage transformers not be located? - Answer- Inside the panel box. What does an open ground mean? - Answer- N...

NHIE Electrical Study Session 19 Questions with Correct Answers What does a service drop drip loop prevent? - Answer- water entering the meter base and panel A subpanel in a detached building has melted insulation on a neutral conductor. What is the most likely cause of this condition? - Answer- The neutral conductor is loose at the terminal bar The current MINIMUM service requirement for a new single family home is: - Answer- 100 amps This panel appears to be (panel with a ton of w...