If access to the boiler room is only from the outside, where should the emergency switch be placed?

The placement of the emergency switch is crucial for ensuring safety in case of an emergency. When access to the boiler room is only from the outside, the emergency switch should be positioned at the inside of the door, no more than one foot beyond the door opening. This positioning allows individuals entering the boiler room to quickly and easily locate the switch in an emergency situation, ensuring a swift response to shut down the boiler if necessary.

In this scenario, placing the switch just beyond the door opening means that personnel can access it immediately upon entering, without having to navigate further into the room. This is important for minimizing risks and facilitating a quick safety intervention, especially in situations where every second counts.

The other options do not ensure the same level of efficiency or safety. For instance, if the emergency switch is inside the boiler room without an easily identifiable access point, that could lead to delays in shutting down the system during a critical moment. Likewise, if the switch is positioned opposite the entrance or more than one foot beyond the door opening, it could cause confusion or delay in an emergency where immediate action is needed. Overall, the correct placement significantly enhances safety protocols and compliance with regulations regarding emergency equipment in boiler rooms.