Electrical wire Study guides, Class notes & Summaries

CWB Welding Inspector Level 3 Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| All Modules Covered| 100% Correct| Grade A Q: Fluxes that can dissolve the oxides on Al are ............ Answer: Halide compounds ( Fluorine, chlorine, Bromine etc.) Q: Chlorine gas from a Chloride flux in presence of an arc can create poisonous gas called .......... Answer: Phosgene (COCL2) or Mustard gas produced by the reaction of chlorine and carbon monoxide in the prese...

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...

NEIEP 500 Final Exam Version 2 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Proper adjustment of which of the following can reduce the effects of building compression on an elevator installation? Answer: Rail jack bolts Q: When installing passenger hoistway entrances in a rise of more than three floors without a running platform, which procedure should you follow? Answer: Build a template that you can use to measure off the door frame ...

NCTI Final Exam: Progression Field Tech 4- 5 Exam| 2023/ 2024 Update | Verified Questions and Answers 1. Which of the following, within the TCP/IP model layers, delivers packets to their destination across multiple networks, as does the Open Systems Interconnection (OSI) model Network Layer?  Answer: Internetwork Layer 2. The header of an Internet Control Message Protocol (ICMP) message includes a Type field. The number in this field represents a message type as well as the fo...

What is the minimum working clearance from an electrical panel under 600 V? - 36" Voltage drop in wire is a function of: - Wire gauge, Length of wire, Current flow in the wire A 12-volt direct current, 13-watt fluorescent light is controlled by a photocell. The average daily on-time is 12 hours per day. How many watt-hours are consumed by the light on an average day? - 156 Where may you use nonmetallic-sheathed cable? - inside floors and walls What is the maximum permitted distance betwe...

The mission of the Occupational Safety and Health Administration (OSHA) is: To send every worker home whole and healthy every day Electricity travels in closed circuits, and its normal route is through a conductor. Electric shock occurs when: Your body becomes part of the circuit Workers need to take which of the following common-sense steps to protect themselves from falls through skylights and roof and floor openings? -- Never sit on, lean against, or step on a skylight lens o...

sinus rhythm regular rhythm Set by SA node at 60 to 100 bpm P waves normal normal qrs PR 0.12 - 0.2 normal qrs less than 0.10 wide qrs is greater than 0.12 Sinus Tachycardia 100-160 bpm SA node reduced time for ventricle filling assess for SOB or chest pain a prolonged QT interval more prone to arrhythmia NSR reflects the heart's normal electrical activity, providing synchrony between the atria and the ventricles. Sinus tachycardia occurs when the sinus no...

The minimum size equipment grounding conductor for a 100 ampere, 120/240 volt single phase underground dwelling feeder whose ungrounded conductors have been increased in size from 3 AWG copper to 1 AWG copper is __ AWG copper Ampacities, Grounding 250.122(B) Table 250.122 Table 8 Ch 9 CORRECT ANSWER 4 The continuity of the grounded conductor shall depend on a busbar or __ only. Continuity, Grounded conductors 200.12 CORRECT ANSWER wire. Each multi-wire branch circuit shall be p...

Code Addresses the safety of persons, property and the environment associated with the ITS cabling Installation NEC National electric code Frequency conversion chart One thousand hertz = 1KHz One million Kilohertz = 1 MHz One billion Megahertz = 1 GHz NFPA National Fire protection association AHJ Authorities having jurisdiction TIA/EIA - Telecommunications Industry association - Electronic industries alliance BICSI - Building - Industry -...

Progression: Field Tech IV - V Conventional Questions and Answers 100% Pass Which of the following is most typical of a broadband network? Multiple analog channels What components are common to all computer systems? (Check all that apply.) Processor Memory Storage I/O What does I/O stand for? Input / Output A NIC is a device used for: Signaling A sound card is what general type of computer component? Input/output Which of the following is managed by the OS? Keyboard input Screen display Fi...