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The “rough-in” stage of residential wiring installation.
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Explanation of Solution
The rough-in" stage in building or remodeling of a home is defined as the stage of the construction project which begins after the completion of basic framing. The initial wiring and plumbing installations, installation of circuit conduct and mounting of electrical boxes are done during this phase.
This stage always starts with a plan by the engineer of the architect outlining everything and its estimates. The National electrical code (NEC) and other local electrical codes are required to be followed during this stage.
It is the responsibility of the electrician to select the correct type of conductor, type of hardware, suitable material and wiring method as per the guidelines of the National electrical code.
The manufacturers will provide equipment and instructions for installing equipment to the electrical contractor. These instructions should be strictly followed for installation during this stage of wiring.
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Chapter 9 Solutions
MindTap Electrical for Fletcher's Residential Construction Academy: House Wiring, 5th Edition [Instant Access], 4 terms (24 months)
- Water (at 10° C has n = 1.31 x 106 m²/s) flows from reservoir A (surface elevation 100 m) through a 2.25-m-diameter concrete pipe (e = 0.36 mm; f=0.014) to reservoir B (surface elevation 91.84 m). If the 2 reservoirs are 17 km apart, find the flow velocity V (to 2 decimal places x.xx) ignoring minor losses. 100 m A L = 17 km P₁ h₁ + = + V² 2g D=2.25 m 91.84 m B + h₂ 2g P₂ = =h₂+ + Varrow_forwardThe floor system of an apartment building consists of a 4-inch-thick reinforced concrete slab resting on three steel floor beams, which are in turn supported by two steel girders, as shown below. The areas of cross section of the floor beams and the girders are 18.3 in.2 and 32.7 in.², respectively. Determine the dead load acting on the beam CD. Steel girder (A-32.7 in.2) At I- 25 ft B I Steel column C D Steel floor beam (A =18.3 in.2) I a. 600.0 lb/ft b. 662.3 lb/ft c. 62.3 lb/ft d. 1347.3 lb/ft E 4 in. concrete slab 2 at 12 ft = 24 ftarrow_forwardWhat is the classification of the structure shown below? Hinge a. Internally unstable, statically indeterminate b. Internally stable, statically determinate c. Internally stable, statically indeterminate Od. Internally unstable, statically determinatearrow_forward
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- 2.Water is siphoned from a reservoir. Determine (a) the maximum flow rate that can be achieved without cavitation occurring in the piping system (all indicated points) and (b) the maximum elevation of the highest point of the piping system to avoid cavitation. D = 20 cm, and d = 8 cm. The minimum pressure to avoid cavitation in the pipes is Pmin = 2340 Pa (absolute) for T = 20 °C. Water density = 1000 kg/m³. ✓ (1) T=20 C (4)arrow_forward3. Water flows steadily down the inclined pipe as shown. Determine (a) the difference in pressure pı-p2 and (b) the head loss between section (1) and section (2). Flow 5 ft Section (1) 6 in. 30°/ Section (2) 8 in. Mercuryarrow_forward1. Streams of water from two tanks impinges upon each other as shown. If viscous effects are negligible and point A is a stagnation point, determine the height h. Free ets Air 20 ft P₁ = 25 psi 8 ftarrow_forward
- Residential Construction Academy: House Wiring (M...Civil EngineeringISBN:9781337402415Author:Gregory W FletcherPublisher:Cengage Learning
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