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Which word or phrase best describes the NEC requirements for the installation of electrical systems? - Minimum All of the following groups are usually represented on the Code-Making Panels, except __________. - Government lobbyists Mandatory and permissive rules are defined in _______. - NEC Article 90 The general design and installation of electrical systems is covered in _____. - NEC Chapters 1,2,3, and 4 Devices such as radios, televisions, and telephones are covered in _______. - NEC ...

The maximum tungsten/infrared load amperage for a NEMA Size 0 magnetic contactor is ___. - 10A A manual reversing starter uses ___. - a mechanical interlock Mechanically held relays would most likely be used in a ___. - hospital, auditoriums, churches A single-contact device can be used to control multiple loads using a ___. - multiple-pole relay A furnace might use an on delay to ___. - avoid blowing cold air into the space when the system starts up A type of relay controlled by a magneti...

NEC requirements must be adhered to when installing incandescent recessed lighting fixtures because they - are a fire hazard if installed incorrectly which of the following will shorten the life of a filament in an incandescent lamp? - operating at warmer temperature chandeliers are a type of - suspended lighting fixture when white light is passed through a prism, how many total colors are visible - 6 Compared to standard incandescent lamps, which of the following provides longer life and ...

A voltmeter is used to measure the value of a circuit's ____. - Electromotive force A closed circuit is indicated by an ohmmeter reading of ______. - Zero A meter that operates by sensing the strength of the electromagnetic field around the wire is a(n) ______. - Clamp-on ammeter Current measurement in milliamps are typically read using a(n) _____. - VOM An expected resistance of 1,000,000 ohms would be measured using a ______. - Megohmmeter Which category rating covers installation tha...

Which of the following is true regarding a series circuit? - The current flow is the same through all resistors. Which of the following is true regarding a parallel circuit? - It has more than one path for current to flow. Which of the following is true regarding a series-parallel circuit? - If 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 120V power line draw a total line current of 3...

The NCCER electrical training program applies DOL standards and is a - four-year program Entry into an apprenticeship program is likely to require a(n) - GATB Form Test The minimum standards for the safe installation of electrical systems can be found in - the National Electrical Code (NEC) OSHA standards for general industry are covered in - 29 CFR, Parts The termination of devices and fixtures is completed during a construction phase known as - trim- out Which of the following is true ...

A ground fault is described as - an unintentional electrically conducting connection between an ungrounded conductor of an electrical circuit and a normally non current carrying conductor Where a main bonding jumper is required by NEC, the main bonding jumper cannot be less than what percentage - 12.5% A ground test utilizing an auxiliary electrode and an auxiliary potential electrode is known as - 3 point test If single gain nail on non metallic boxes are used with NM cable which of the f...

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 Sectional view - Is a cutaway view that shows the in...

Wire Sizes are expressed in gauge numbers. The standard system of wire sizes in the US is the - American Wire Gauge (AWG) The purpose of stranding is to - Increase the flexibility of the wire. Two-conductor cable - One white or gray wire(neutral), one black(hot), and a grounding wire(usually bare). The grounding conductor may be - bare, green, or green with yellow stripe The various types of conductors are concerned in - NEC article 310 The ampacities of conductors are given in - NEC Tabl...

An SCR is made from adjoining layers of semiconductor material in the . - PNPN arrangement In the figure provided, the lead marked A is the transistor . - emitter AC power can be converted to DC power using . - rectifier diodes A transistor is made by joining . - three layers of semiconductor material The figure provided shows the electrical symbol for a(n) . - NPN transistor A device that can be described as a diac with a gate terminal added is a(n) ________. - triac Silicon is widely use...