Question

Appliances must not be converted from the fuel grade specified on the rating plate for use with a different fuel without first securing written approval from the__________.

Answer 1

To convert appliances to a different fuel grade, written approval must be obtained from the manufacturer or regulatory body.

Step-by-step explanation:

In order to convert appliances from one fuel grade to another, written approval must be obtained from the manufacturer or the regulatory body responsible for appliance safety. This is to ensure that the appliance is designed and tested specifically for use with the chosen fuel, as different fuels can have varying properties and combustion characteristics.