Safety and Compliance Standards Flashcards
6 cards from real G3 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Safety and Compliance Standards flashcards as text
What is the maximum allowable ambient CO level in occupied spaces?
Answer: 25 ppm
25 ppm is the action level above which investigation and corrective action are required.
What safety device prevents gas flow if a standing pilot goes out?
Answer: Thermocouple and gas valve safety circuit
The thermocouple generates voltage from pilot heat; when the pilot goes out, voltage drops and the valve closes.
What is the purpose of a high-temperature limit switch?
Answer: To shut off the burner if the appliance overheats
It shuts off the gas burner if temperatures exceed safe limits.
How often should gas appliances be professionally inspected?
Answer: At least annually, before each heating season
Annual inspection is the industry standard, ideally before heating season.
What is a TSSA red tag or compliance order?
Answer: An official order requiring corrective action for a code violation, potentially shutting off gas
A red tag documents a violation and requires correction, potentially with immediate gas shutoff.
What must happen when a gas meter or regulator is found damaged?
Answer: Gas utility must be contacted immediately as these are utility property
Meters and regulators are utility-owned. Report damage immediately.