Exceptions excluded, the maximum design pressure for indoor gas pipe systems shall not exceed

Using the multiple appliance vent tables, determine the furnace vent connector capacity for the illustration above.    (Use single-wall connector pipe if applicable)

Natural gas is made up primarily of (CH4) methane, is colorless, tasteless and odorless and lighter than air. it has a flamability range of approximately _________ % volume in air

Which one of the following components is used in open type motors to de-energize the start winding after the motor reaches its operating speed?

The __________________ is the amount of air pressure that remains to move the air through the ductwork after the device pressure losses have been subtracted from the rated external static pressure value of the blower.

Motors that have a service factor rating of 1.14 must have the overload protection device sized at not more than _____ percent of the motor nameplate ampere rating.

Receptacles shall have the terminal intended for connection to the grounded conductor identified by a metal or metal coating that is substantially _____ in color.

What is the maximum ampacity for each of two 12-AWG THHN conductors that are in a raceway with four other 10-AWG THW conductors? The conduit also contains two 12-AWG grounding conductors for a total of eight conductors in the raceway. The circuits supply motors and the terminals are 75 degree C.

How many 4-AWG THW conductors can be installed in 2 inch IMC conduit nipple that is 25 inches long?

What size copper equipment grounding conductor is required for a circuit being fed with a 225-ampere overcurrent protective device?