Delmar's Standard Textbook of Electricity (MindTap Course List)
6th Edition
ISBN: 9781285852706
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 11, Problem 1RQ
What is the maximum temperature rating of Type XHHW insulation when used in a wet location?
Expert Solution & Answer
To determine
To find:
The maximum temperature rating of an insulation of Type XHHW, when used in a wet location.
Answer to Problem 1RQ
The maximum temperature rating of a XHHW type insulation is 75 degrees Celsius or 167-degree Fahrenheit, when used in wet locations.
Explanation of Solution
According to National Electrical Code (NEC), the maximum temperature rating of a type XHHW insulation is
Hence, we can say that the maximum temperature rating for a type XHHW insulation in wet conditions is
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Chapter 11 Solutions
Delmar's Standard Textbook of Electricity (MindTap Course List)
Ch. 11 - What is the maximum temperature rating of Type...Ch. 11 - 2. Name two types of conductor insulation designed...Ch. 11 - A 10 AWG copper conductor with Type THW insulation...Ch. 11 - 4. Six 1/0 aluminum conductors are to be run in a...Ch. 11 - Name five conditions that must be met for running...Ch. 11 - What is the largest solid (nonstranded) conductor...Ch. 11 - Can Type TW cable be used in an area that has an...Ch. 11 - How is the grounded conductor in a flat...Ch. 11 - What three colors are ungrounded conductors not...Ch. 11 - Twenty-five 12 AWG copper conductors are run in...
Ch. 11 - A single-hase load is located 2800 ft from its...Ch. 11 - It is decided to use parallel 0000 conductors to...Ch. 11 - A three-phase motor operates on 480 V and is...Ch. 11 - You have been hired by a company to connect an...Ch. 11 - 2. You are a journeyman electrician in an...Ch. 11 - You are an electrician working in an industrial...Ch. 11 - Using the above example, determine the wire size...Ch. 11 - 1. A 2 AWG copper conductor is 450 ft long. What...Ch. 11 - 2. An 8 AWG conductor is 500 ft long and has a...Ch. 11 - 3. Three 500-kcmil copper conductors with Type RHH...Ch. 11 - 4. Eight 10 AWG aluminum conductors with Type THWN...Ch. 11 - 5. A three-phase motor is connected to 480 V and...Ch. 11 - 6. A 50-hp DC motor is connected to 250 volts. The...Ch. 11 - 7. A bank of electric heaters has a power rating...Ch. 11 - A 15-hp squirrel-cage induction motor is connected...Ch. 11 - Determine the resistance of a 16 AWG copper...Ch. 11 - Determine the ohms-per-mil-foot of an aluminum...
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