Residential Construction Academy: House Wiring (MindTap Course List)
5th Edition
ISBN: 9781337402415
Author: Gregory W Fletcher
Publisher: Cengage Learning
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Question
Chapter 11, Problem 15RQ
To determine
The two main things to be considered during the selection of a proper type of cable used in house wiring.
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Calculate the minimum copper conductor size needed for a 120/240 volt electric range branch circuit. The electric range has a nameplate rating of 12kw
Chapter 11 Solutions
Residential Construction Academy: House Wiring (MindTap Course List)
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- The minimum amount of free conductor required at an electrical box used in residential wiring for termination purposes is______________ inches. As long as the box has no dimension Larger than 8 Inches (200 mm), there must be at Least ______ inches of free conductor extending out from the box opening. Name the NEC section that covers this wiring practice. (Objective 9-3)arrow_forwardThe most often used category-rated UTP cable for voice and data wiring from various outlets back to the service center or other distribution device in a residential application is______. (Objective 16-3)arrow_forwardDescribe how a white Insulated conductor in a cable assembly is reidentified as an ungrounded hot conductor. Name the NEC section that covers this wiring situation. (Objective 9-4)arrow_forward
- Although it is not a specific requirement, most electricians feel that the best place to start a cable run for a branch circuit is at the service panel or subpanel. Explain why this is so. (Objective 11-3)arrow_forwardDescribe how a conductor that is larger than 6 AWG can be identified as a grounding conductor. Name the NEC section that covers this wiring situation. (Objective 9-4)arrow_forwardCalculate the minimum copper conductor size needed for a 120/240-volt electric range branch circuit. The electric range has a nameplate rating of 12 kW. Show all work. (Objective 6-2)arrow_forward
- Describe the purpose of an LB conduit body used in a residential service entrance Installation that uses electrical conduit. (Objective 8-1)arrow_forwardDescribe when an electrician would use a new work box and an old work box. (Objective 2-3)arrow_forwardDescribe how an insulated grounded conduct or Larger than 6 AWG is Identified. Name the NEC section that covers this wiring situation. (Objective 9-4)arrow_forward
- If Type SER service entrance cable is used by an electrician to feed a subpanel from a main panel, the cable must be secured within _________of the panel enclosures and at Intervals not exceeding___________. Name the NEC section that states this requirement. (Objective 8-7)arrow_forwardList the minimum trade size of Type EMT for each of the following applications. Assume the use of conductors with THHN insulation. (Objective 12-1) a. Six 14 AWG _______ b. Six 12 AWG ______ c. Three 10 AWG ______ d. Four 8 AWG _____arrow_forwardName the ampacity for the following copper conductors according to Table 310.15(B) (16): (Objective 6-4) a. 10 AWG THW amps _____ amps b. 8 AWG THWN amps_______ amps c. 1 AWG THHN amps ______ amps d. 4/0 TW amps ______ ampsarrow_forward
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