What must be considered when installing equipment in Class II and III locations?

When installing equipment in Class II and III locations, it is essential to consider both physical accessibility and environmental conditions. Class II locations are associated with combustible dust, which can pose significant risks if the equipment is not accessible for maintenance and operation. Physical accessibility ensures that personnel can safely reach and service the equipment without creating a hazardous situation.

Environmental conditions also play a crucial role in the installation process. Various factors, such as temperature fluctuations, potential for dust accumulation, humidity levels, and the presence of flammable dust or materials, dictate the type of equipment suitable for these locations. Equipment must be designed to prevent ignition sources and to operate safely under the specific environmental conditions present.

Considering both aspects together ensures compliance with safety regulations and helps in preventing hazards that may arise from inadequate accessibility or unsuitable equipment for the given environmental factors. Therefore, the comprehensive approach of assessing both physical accessibility and environmental conditions is necessary for safe and effective installations in Class II and III locations.