Quiz: 2024 International Residential Code (IRC) Chapter 36 Services

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1. A single two-family dwelling is to be supplied with electrical service. According to the IRC, how many services are permitted to supply this dwelling?

Two services, one for each dwelling unit.
One service, with appropriate internal distribution.
Up to six services, grouped together.
One service, but only if it's a one-family dwelling.

2. A new detached garage is being built on a property. The most direct path for service conductors from the utility pole to the garage is through the interior of the main dwelling. What does the IRC say about this installation?

It is permitted if the conductors are in a listed raceway.
It is permitted if the conductors are rated for direct burial.
It is prohibited for service conductors to pass through the interior of another building.
It is permitted if the conductors are enclosed in a fire-rated assembly.

3. Which of the following conductors are NOT permitted to be installed in the same service raceway as service conductors?

Grounding electrode conductors.
Load management control conductors with overcurrent protection.
Supply side bonding jumpers.
Feeder conductors to a subpanel.

4. For a dwelling unit, where must the service disconnecting means be installed?

At any readily accessible location within the dwelling.
In a readily accessible location either outside or inside nearest the point of service conductor entrance.
Inside a bathroom, provided it is readily accessible.
In an attic space for protection from weather.

5. What is the maximum number of disconnecting means permitted for any single service to a dwelling unit?

One, unless specific exceptions apply.
Two.
Six.
Twelve.

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