Average Hourly Cost: The average hourly cost for smoke detector installation by an electrician is $100 per hour in the US.

Cost Breakdown: The cost of smoke detector installation includes the cost of materials such as the smoke detector itself, any wiring or other accessories, and the labor costs of the electrician. It is important to note that the cost of materials can vary depending on the type and quality of the smoke detector and any additional accessories.

Factors Affecting Cost: Several factors can affect the cost of smoke detector installation, including the complexity of the job, the type and quality of the smoke detector and any additional accessories, and the location and service provider. For example, if the job is complex or requires additional wiring or accessories, the cost may be higher. Additionally, the cost of materials may vary depending on the type and quality of the smoke detector and any additional accessories. The location and service provider can also have an impact on the cost, as electricians may charge different rates depending on their experience and the area they service.