Electricians use - Study guides, Class notes & Summaries

CHST Questions and Answers 100% Pass In order of decreasing effectiveness, which of the following correctly indicates the order of correct of actions taken to prevent Industrial dermatosis Substitution, gloves, barrier cream Which of the following types of ionizing radiation is considered to be only an internal hazard? Alpha radiation What type of radiation from welding operations is The most damaging to the eye? Infrared If variations in noise levels are occurring at a rate mor...

IEC lesson 105 HW Questions and Answers Already Passed A circuit is to be run to a parking lot light. The blueprints call for you to run 8 AWG wire that has a diameter of .128 inches. However, you ran #10 wire that has a diameter of .116 inches. You have ___ the total circuit resistance. increased All circuit wires should be considered ___ until tested. energized (live) C to F (C * 9/5) + 32 Compressed gas cylinders should be opened slowly to prevent ___. valve damage Damaged...

Electrician's Licensing Exam Questions with Correct Answers What kind of information does NEC Section 250-66 cover? - Answer-Covers the sizes of alternating current grounding electrode conductors. NEC Section 250-102 is devoted to equipment _____. - Answer-Equipment Bonding Jumpers Give guidelines for using sheet metal screws as bonding agents. - Answer-Electricians can use sheet metal screws for bonding when those screws are green and have hexagonal heads (NEC 250.8), but it is genera...

When is nonmetallic-steathed cable used In a residential wiring system Phases of residential electrical wiring include Rough in, Trim out, Testing and Troubleshooting What two groups are industrial electricians split into Installers and maintenance personal How many hours of on job learning are required for an apprenticeship program each year 2,000 hours AC Voltage Tag Colors Class 00 Beige tag 500 volts AC Voltage Tag Colors Class 0 2 0 2 4 /2025 | © copyright | This work may n...

When connecting a 3-phase motor the three lines (T1,T2 and T3) are usually connected to __________. - L1, L2, and L3 Electricians use __________ to prevent damage to electrical wiring running to the machine. - rigid and flexible conduit When the wire or foil strip inside a fuse melts, the fuse is said to be __________. - blown The difference between a fuse and a circuit breaker is __________. - circuit breakers can be reset and used again The amount two electrical waveforms are out of pha...

Power Tools Test Questions and Answers | Latest Update | 2024/2025 | Already Passed What tool would you use to ensure screws are driven flush into a wooden surface? Impact driver What power tool is designed to make smooth, angled cuts on trim and molding? Miter saw Which tool would a carpenter use to shape, smooth, or thin out wood surfaces? Power planer For cutting straight lines through thick boards quickly, which saw is ideal? Circular saw What tool do electricians ofte...

CHST Exam Questions With Verified Answers 100% Solved In order of decreasing effectiveness, which of the following correctly indicates the order of correct of actions taken to prevent Industrial dermatosis Substitution, gloves, barrier cream Which of the following types of ionizing radiation is considered to be only an internal hazard? Alpha radiation What type of radiation from welding operations is The most damaging to the eye? Infrared If variations in noise levels are occu...

IEC Chapters 1-4 Manual Review Rated A+ 1st year consists of Navigating code book(how it's organized and how to find anything you're looking for) 2nd year consists of You will go more into the code book as well as interpret the code 3rd & 4th Years consists of Getting into motor controls, series and parallel wiring is the basis of control circuits Ampacity The amount of electric current that can flow through a wire. The conductor size gets larger as the ampacity increases. Re...

Electrical NCCER-Part 1 Exam Questions Answers 100% New Update Nonmetallic-sheathed cable is used in - Answer -a residential wiring system. Rough in.. trim out..testing.. and troubleshooting are phases of - Answer -residential wiring. Installers & maintenance personnel are - Answer -the 2 groups industrial electricians are split in to. Apprenticeship program requires how many hours per year? - Answer -2000 hours (AC VOLTAGE TAG COLORS) I. Class 00 (BEIGE tag) - Answer -500v (AC...

Many electricians wire the lights and receptacles in a room on different circuits because this correct answers offers the advantage that all power in a room will not go out if the overcurrent protective device trips Ceiling fan speed can be controlled by correct answers pull chain on the fan; speed control mounted in a wall box; remote control similar to TV/VCR type The NEC allows what maximum number of receptacle outlets to be connected on a 120-volt residential lighting or small-applia...