Chapter 12

The piping and equipment between the street gas main and the gas piping system inlet, which is sinstalled by and is under the control and maintenance of the serving gas supplier, is the

Listed metal appliance connector for dryers shall be

The maximum distance between a gas outlet for a fireplace and an approved operating valve is

Bushings in gas piping shall not be used in

Leaks in gas piping shall be located by applying:

Appliance connectors shall at no time have a diameter less than

All exposed gas piping shall be kept

Non-metallic underground gas piping shall be buried

The fitting that shall be used in lieu of the union that is not used at the appliance or outside at the meter is called a

A number 10 copper tracer wire or other approved material shall be installed with underground

When a metallic riser connects underground to poly piping, the underground horizontal metallic portion of the riser shall extend at least ___ inches before connecting to the poly pipe.

No part of a gas appliance connector shall be concealed within or extended through any

Gas piping may be installed under a building or structure if the

Using the table below, what is the Btu/h rating for a 40 allon water heater?

Using the table below, what is the total Btu/h rating for a domestic clothes dryer, a domestic recessed top burner section and a residential fireplace log lighter?