Nccer Study guides, Class notes & Summaries

Conductors connected to the high leg of a four-wire delta system be color-coed with what color of insulation or tape? -correct answer -Orange (NEC Section 110.15) Dry-type transformers rated at 112.5kVA or less may be located out in the open provided they are separated from combustible material by a distance of ____. -correct answer -12" If the power factor is improved by the addition of a capacitor, the motor running overcurrent device must be selected based on the ___. -correct answer -...

Which article of the NEC covers grounding? CORRECT ANSWER Article 250 What is a dropout plate? CORRECT ANSWER Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: CORRECT ANSWER 372/575 3-Phase, 4-wire What does a GFCI breaker do? CORRECT ANSWER Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are grounded? CORRECT A...

NCCER Electrical 1 Module 10 Questions and Answers Graded A Blue Prints An exact copy of reproduction of an original drawing Floor plan As viewed from above Site plan Location of building on the property Surveys show All property lines, existing public utilities and their location on or near the property Elevation drawings show The exterior face of the building Floor plans are in 2 dimension, length and width Topographic survey shows Property lines, contour lines, notes and symbols Sectio...

Which of the following is true regarding a series circuit? - correct answerThe current flow is the same through all resistors. Which of the following is true regarding a parallel circuit? - correct answerIt has more than one path for current to flow. Which of the following is true regarding a series-parallel circuit? - correct answerIf a circuit is reduced to an equivalent series circuit, the total resistance is found by adding the loads. Two branches of a circuit (R1 and R2) across a 1...

If the heater in a fixed IEC bimetallic overload relay fails, - correct answer -the entire overload relay must be replaced The nameplate of a motor indicates that the motor has an FLC of 15A and a service factor of 1.15, how much additional current can this motor safely handle for intermittent power demands? - correct answer -15A(1.15)= 17.25; 17.25A - 15A= 2.25A The minimum allowable coil control voltage needed to keep an electromechanical device energized is called the ___. - correct ans...

NCCER 26208-17 Questions and Answers Already Graded A To properly install heat-shrink insulators, _____. Slip the insulator over the connector and apply heat for a few seconds When used in control cable, which of the following must be grounded in order to be effective? Drain wires To determine the correct connector size for MC cable, _____. Refer to the manufacturer literature Burnishes, nicks, and scrapes are generally the result of which of the following? Poorly stripped conductors When st...

NCCER Module 4 Intro to power tools 2023 questions and answers A saw that has a thin one-piece blade that runs around guides, that runs around either end of the saw is a Band saw A power miter saw combines a miter box with a Circular saw An angle grinder is used to grind Hard heavy materials The adjustable tool rest on a bench grinder should be positioned One eighth of an inch from the grinding tool A good way to check the condition of the grinding wheel on a bench grinder is to Perf...

Worn motor bearings are most to result in a(n)___. continuous overload A high-level short circuit current may exceed ___. 50,000A` Accidental contact between an electrical conductor and a grounded enclosure is called a(n)___. ground fault Most arcing faults begin as ___. ground faults A plug fuse with a hexagonal cap has a maximum amperage rating of ___. 15A Under normal operation and at currents near its ampere rating, a fuse operates as a ___. conductor...

under strict safety guidelines, which of the following should be used to discharge capacitors before working on de-energized circuits. - safety shorting probe for safety, assume that any facility constructed before 1980 has? - asbestos with of the following is the threshold at which a power source is considered high voltage in the context of safety? - over 600V- 600Volts insulated gloves must be inspected by the user? - always and field checked the normal beating of a heart can be upset by...

unusual - ANSWER-If the seal was not properly aligned or there is excessive wear in some bearing or shaft,_______ wear tracks will be the indicator sharpened brass putty knife - ANSWER-For removing hard to remove gasket materials found on sealing surfaces, ______ is recommended Conducted on the job - ANSWER-Apprenticeship training is_______ distance - ANSWER-Charting alignment on a graph requires a chart that is divided into thousandths of an inch vertically for the indicator readings a...