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| The ___ establishes a set of rules, regulations, and criteria for the installation of electrical equipment. |
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Definition
| (NEC)National Electric code |
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Term
| T or F Although the nec has no legal basis, it is often made mandatory under local or state rulings. in such cases it becomes a legal document. |
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Definition
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Definition
| Intertek Testing Services NA (Formely ETL) |
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Definition
| Canadian Standards Association |
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Term
| What does O.S.H.A Stand for? |
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Definition
| Occupational Safety and health Administration |
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Term
| T or F O.S.H.A Safety regulation are often more detailed then those of the NEC and may supersede the code rulings. |
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Definition
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Term
| All persons involved in the electrical trade should become familiar with O.S.H.A electrical standards. List the eight areas to which these standards apply |
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Definition
| 1. Hazardous locations 2. Wiring methodes, Components and Equipment 3. Special Systems 4. Specific purpose equipment 5. Wiring design and protection 6. Electrical utilization system 7.Definitions 8. General requirements |
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Term
| Conductors for carrying electricity are commonly called |
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Definition
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Term
| List four items included in a wiring system |
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Definition
| 1. The wire 2. Insulating cover 3. Protective cover 4.Connectors that fasten it to an electrical box |
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Term
| Regardless of the wiring system chosen or required, it is important to have a continuous _____ throughout every part of the system and every circuit. |
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Definition
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Term
| List seven factors that determine which type of wiring system will be selected. |
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Definition
| 1. Type of dwelling (Style) 2. Materiel's and type of construction used ( such as log, concrete, post beam, or platform 3. surrounding of dwelling ( hot, cold, wet or dry) 4.Cost of electrical materiel's 5.Building code requirements 6. preference of owner 7. contractors Preference |
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Term
| A(n) ____ is an arrangement of two or more conductors in a protective covering and is assembled by the manufacturer. |
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Definition
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Term
| ____ is a manufactured assembly of conductors and ribbed flexible metal tubing. |
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Definition
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Term
| T or F Armored cable is often used in commercial garages, elevator's, and theaters. |
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Definition
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Term
| T or F A(n) is a red, split, plastic sleeve placed between the wires and the rough edge of a armor in a ac. |
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Definition
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Term
| Which type of nonmetallic sheathed cable may be used only in dry locations A. NM B. NMC C. UF D. USE |
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Definition
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Term
| ___ cable is used to bring power from the utility pole to the customer's building. |
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Definition
| (SE) Service Entrance Cable |
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Term
| A typical installation of underground feeder a branch-Circuit cable would be a branch from the main service panel to a___ A.Transformer B. Detached Garage C. Swimming pool pump D. All the above |
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Definition
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Term
| ____ are protective coverings installed on site and used to contain wires. |
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Definition
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Term
| _____ is connected length-to-length or to electrical boxes with suitable pressure compression or setscrew fittings. |
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Definition
| (EMT) Electrical Metallic Tubing |
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Term
| _____ Bends are those made on the construction site. |
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Definition
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Term
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Definition
| 1.Back to back bend 2. Offset bend 3. Stub bend 4. Saddle bend |
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Term
| The N.E.C. specifies the ____ of conduit bends. |
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Definition
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Term
| Explain when an offset bend would be used |
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Definition
| An offset bend is used to route the conduit over an obstruction |
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Term
| Explain the difference between a saddle bend and an offset bend |
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Definition
| A saddle bend is made to level over an obstruction. On and the offset bend just route over the obstruction |
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Term
| If an offset bend is going to occur before the obstruction, the amount of ____ must be considered |
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Definition
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Term
| T or F When making the saddle bend, the 45 Degree center bend is always made first |
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Definition
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Term
| Electrical nonmetallic tubing (ENT) is ____ A. lightweight and flexible B.for voltage exceeding 600 V C. used for supportive means D. used for direct burial applications |
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Definition
| A. Lightweight bleiand flex |
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Term
| ____ is galvanized and somewhat similar to water pipe. |
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Definition
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Term
| Which of the following conductors systems is cut, threaded, and reamed before it is installed? A. EMT or thin-wall conduit B. nonmetallic sheathed cable C. Rigid metal conduit D. Flexible metal conduit |
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Definition
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Term
| Rigid polyvinyl chloride conduit (PVC)___ A. Can be used to support fixtures B. can be used in hazardous locations were physical damage is likely C. is corrosion-proof |
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Definition
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Term
| T or F Rigid polyvinyl chloride conduit (PVC) can be bent by hand when it is worm enough. |
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Definition
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Term
| True or False Intermediate metal conduit,(IMC) is permitted for use in all atmospheric conditions and in all types of occupancies. |
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Definition
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Term
| True or False Flexible metal conduit,or Greenfield, can be used outdoors in wet conditions. |
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Definition
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Term
| Explain why Greenfield is frequently used with EMT or Rigid conduit. |
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Definition
| It is sub stained were bends are needed. Instead of making complicated bends and angles in EMT |
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Term
| Because of its extreme flexibility, ____ can be used to connect machinery that is portable or may vibrate during normal operation. |
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Definition
| (LFMC) liquid tight flexible metal conduit |
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Term
| T or F surface-mount raceways is useful in existing facilities when appearance is important and new wiring cannot be pulled through walls |
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Definition
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Term
| When rigid conduit is cut, it is important that it be______ to remove any sharp burrs that could damage wires during wire installation |
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Definition
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Term
| A ____ must be added to rigid conduit to protect the wires that are pulled. |
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Definition
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Term
| Intermediate metal conduit is commonly solid in which of the following lengths A. 3' B. 6' C 8' D. 10' E. 12' |
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Definition
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Term
| A _____ bend is used when the conduit has to turn 90 degrees |
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Definition
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Term
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Definition
| Liquid tight flexible metal conduit |
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Term
| Armored cable is known as AC and ____ |
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Definition
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Term
| List three places where armored cable cannot be used. |
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Definition
| Commercial Garages, 2. Hoist-ways Elevators, or cairns. 3 Theaters or motion pictures studios |
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Term
| T or F? Electrical metallic tubing cannot be used as an equipment ground. |
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Definition
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Term
| Which article of the N.E.C outlines rules regarding metal conduit? |
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Definition
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Term
| The following are types of nonmetallic sheathed cable NM, NMC, NMS, Where is each used |
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Definition
| NM Normally dry, NMC Moist damp or corrosive, NMS Normally dry |
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Term
| Which article of the NEC outlines rules regarding rigid nonmetallic conduit. |
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Definition
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