Which of the following systems of wiring has poor durability? O TRS Wiring O CTS wiring O Lead sheathed wiring O Cleat wiring O Conduit wiring
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- Which type of wiring gives more mechanical and fire protection? O batten wiring O casing capping wiring O cleat wiring O conduit wiringIn which type of wiring polyvinyl chloride and vulcanized Indian rubber insulated wires are used as conductors? O Ceat wiring O TS wiring O Lead sheathed wiring O Conduit wiringMost residential general lighting circuits are wired with 14-AWG copper conductors and are protected by 15-amp circuit breakers. However, there are many electricians who install 12-AWG copper conductors and protect them with 20-amp circuit breakers. How will you know which conductor size and which circuit breaker size will be used for the general lighting branch circuits in the house you are wiring?
- Need all detailed information and answers. What are three main reasons to install grounds and bonds on an isolated circuit before work is started? When using protective grounds, does the application of the grounding principle control current or voltage? Does all the current in a grounded conductor take the easiest path to earth? What is the bonding principle? When removing protective grounds on an isolated circuit, which set of grounds is more likely to create an arc, the first set or the second set?What assumptions can you make regarding the following receptacle wiring? Check all that apply. White neutral wire Grounding screw Brass screw terminal Silver screw terminal Black hot wire Red hot wire Grounding wires Grounding screw terminal O device is at end-of-run device box does not need a ground connection this is a split-circuit receptacle neutral side receptacle tab must be removed12 - Due to the effect of the resistance of the cable connected to RTD, two-wire cables up to ……. meters and three-wire cables up to ……... meters are used in standard designs. A) 10-150B) 40-500C) 50-195D) 30-230E) 200-1000
- Highly skilled labour is required in O casing - caping wiring O TRS wiring O Conduit wiring O Both conduit and casing-caping wiringof p o How many conductors enter the ceiling fan/light wall box? Switch ond out let boxes s tirst 10. What type and size of box may be used for the ceiling fan/light wall box?. 11. What type of covers are used with 4 in. square outlet boxes? 12. a. Does the circuit for the Master Bedroom have a grounded circuit conductor? b. Does it have an equipment grounding conductor? c. Explain the difference between a "grounded" conductor and an "equipment grounding" conductor. 13. Approximately how many feet (meters) of 2-wire cable and 3-wire cable are needed to ft complete the circuit supplying the Master Bedroom? Two-wire cable: ft (- m). m). Three-wire cable: 14. If the cable is laid in notches in the corner studs, what protection for the cable must be provided? 15. How high are the receptacles mounted above the finished floor in this bedroom? 16. Approximately how far from the bedroom door is the first receptacle mounted? (See the plans.) 17. What is the distance from the finished floor to…a. Does the circuit for the Master Bedroom have a grounded circuit conductor? ____________________ b. Does it have an equipment grounding conductor? ____________________ c. Explain the difference between a grounded conductor and an equipment grounding conductor. ____________________ ____________________
- When installing grounding electrode conductor at services, it's common to use a single large common grounding electrode conductor and connect multiple grounding electrode conductor to it A. clamps B.jumper C. taps D.screwsWhat is the mean of wiringh.1. In an alternating-current system, the maximum size for a copper grounding electrode conductor isA. 250 kcmil.B. 3/0.C. 500 kcmil.D. 4/0. h.2. The figure shows a fault condition in an ungrounded electrical system. Which of the following will occurbecause of the fault in this system?A. Only the overcurrent protector at Point A will trip open.B. The ground fault will heavily damage the service.C. Nothing will happen until a second ground fault occurs.D. The overcurrent protection will trip, shutting off all the line side power.