1. Scope
1.1
These requirements apply to drive machine controllers, logic controllers, and
operating devices accessory thereto, for starting, stopping, regulating,
controlling, or protecting electric motors, generators, or other equipment, for
elevators, escalators, moving walks, dumbwaiters, and elevating devices for the
handicapped (wheelchair and stairway lifts).
1.2
The electrical…
1.1 SCOPE
1.1.1 Types of Regulators. This standard applies to individual gas appliance
pressure regulators, which are not a part of a combination control (see
Part V, Definitions), hereinafter referred to as regulators, intended
for application on individual gas appliances.
This standard also applies to negative gas appliance pressure…
1. Scope
1.1
This Standard applies to polyamide pipe, tubing, and fittings for use in gas
mains and services. This includes gathering, transmission, and distribution
applications that carry fuel gases, which may contain aromatic hydrocarbons.
1.2
This Standard also applies to all types of fittings and connections used in a
plastic gas pipe system, including plastic-to-metal transition…
