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2024 International Residential Code
Chapter 23

IRC 2024

2024 International Residential Code

Chapter 23Solar Thermal Energy Systems

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Question 1 1.

Which of the following aspects of solar thermal energy systems is NOT explicitly covered by Section M2301.1 of the IRC?

Alteration
Repair
Manufacturing
Installation

Question 2 2.

What primary design and installation requirement must be met for solar energy equipment according to M2301.2.1?

It must be aesthetically pleasing.
Access shall be provided for maintenance.
It must be installed by a licensed professional.
It must be covered during extreme weather.

Question 3 3.

When roof-mounted solar collectors serve as the roof covering, what specific requirement must they conform to?

The requirements for fire-retardant-treated wood.
The requirements for noncombustible materials.
The requirements for roof coverings in Chapter 9.
The requirements for structural bracing in Chapter 8.

Question 4 4.

What is required for the construction material of roof-mounted solar collectors and their supporting structure when mounted on or above the roof covering?

Any durable material capable of supporting the load.
Only noncombustible materials.
Noncombustible materials or fire-retardant-treated wood equivalent to the roof construction.
Materials with a minimum 1-hour fire rating.

Question 5 5.

Collector sensor installation and protection of exposed sensor wires shall be in accordance with which standard?

ASTM E119
NFPA 70
ICC 900/SRCC 300
ASHRAE 90.1

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