1. Scope
1.1 This Standard applies to the electrical features
(a) of gas- and oil-burning appliances and equipment;
(b) of solid fuel-burning appliances where the specific Standard for such appliances requires compliance with this Standard; and
(c) intended to be connected to supply circuits with voltages of 750 V and less, for use in nonhazardous locations in accordance with the Rules of…
Definitions, General Requirements, and Test Methods for Vacuum Breakers and
Backflow Preventers
Vacuum breakers and backflow preventers covered by the B64 Series
of Standards include only those devices that are designed for use
in potable water supply systems to prevent cross-connections.
Covers vacuum breakers of the hose connection type in sizes of
NPS-1/2, 3/4, and 1. HCVB devices incorporating a manual or
automatic draining feature are covered in CSA Standards B64.2.1
and B64.2.2, respectively.
Vacuum Breakers, Hose Connection Type (HCVB) with Manual Draining Feature
Covers vacuum breakers of the hose connection type in sizes of
NPS-1/2, 3/4, and 1. These devices incorporate a draining
feature that requires manual operation.
Vacuum Breakers, Hose Connection Type (HCVB) with Automatic Draining Feature
Covers vacuum breakers of the hose connection type in sizes of
NPS-1/2, 3/4, and 1. These devices incorporate an automatic
draining feature that does not require manual operation.
Covers vacuum breakers for use on laboratory faucets in a nominal
pipe size of 3/8 only, although inlet or outlet connections, or
both, may be different when so required for special
installations.
Backflow Preventers, Dual Check Valve Type with Intermediate Vent(DuCV)
Covers backflow preventers of the dual check valve type (with
intermediate vent) in nominal pipe sizes of 1/4 and 3/8 only.
They are designed to be used on low to moderate hazard
connections. These devices are suitable for use under continuous
or intermittent pressure and are designed to be used on
individual outlets or appliances with flow rates of 0.25 L/s (3.3
CGPM) or less. Inlet or…
Low-Pressure Connecting Assemblies for Medical Gas Systems
1. Scope
1.1 This Standard applies to low-pressure connecting assemblies for medical gas systems in any health care facility.
1.2 This Standard contains two parts as follows:
(a) Part I contains requirements relating to the construction, performance, and identification of low-pressure connecting assemblies (see Clauses 3 through 6); and
(b) Part II contains requirements relating…
Coniferous and broadleaved tree sawlogs — Visible defects — Classification
Refers to the terms and definitions given in ISO 4474. The following six groups are listed in a table in connection with their subgroups and varieties: Knots, shakes, defects of trunk shape, defects of wood structure, defects caused by fungi and damage.
1. Scope
1.1 This Standard applies to solid-state lighting controls rated at 600 V and less, with or without an integral switching (disconnecting) device, designed to be used in circuits
(a) for the control of incandescent lamps; and
(b) for the control of fluorescent, HID, ballasted, and similar lamps intended for installation in accordance with the Rules of the Canadian Electrical Code,…
