Requirements for manually operated generator transfer panels

Designation Number:
CSA C22.2 NO. 178.2:04 (R2019)
Standard Type:
National Standard of Canada - Domestic
Standard Development Activity:
Reaffirmation
ICS code(s):
29.120.40
Status:
Proceeding to development
SDO Comment Period Start Date:
SDO Comment Period End Date:
Posted On:

Scope:

1.1
This Standard covers manual transfer panels having maximum ratings of 250 V, 60 A, for use in non-hazardous locations in accordance with the Canadian Electrical Code, Part I.

1.2
This Standard covers manual transfer panels that are intended for use on the load side of a distribution on a single-phase, 2-wire or 3-wire system to provide manual switching from the normal supply to power supply from a generator in the event of failure of the normal power or in other similar situations.

1.3
Transfer panels are generally considered suitable for emergency use only and are intended to be operated when the power from the utility is not available.

1.4
Transfer panels covered by this Standard are intended to be used with generators where

(a) the neutral is not bonded to the frame of the generator;
(b) the bond between the neutral and the frame can be removed in accordance with the manufacturer.s instructions; or
(c) there is no means of isolating the neutral from the generator frame.

1.5
In CSA Standards, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; should is used to express a recommendation or that which is advised but not required; and may is used to express an option or that which is permissible within the limits of the standard.

Project need:

To review the Standard within the required 5 year period.

Note: The information provided above was obtained by the Standards Council of Canada (SCC) and is provided as part of a centralized, transparent notification system for new standards development. The system allows SCC-accredited Standards Development Organizations (SDOs), and members of the public, to be informed of new work in Canadian standards development, and allows SCC-accredited SDOs to identify and resolve potential duplication of standards and effort.

Individual SDOs are responsible for the content and accuracy of the information presented here. The text is presented in the language in which it was provided to SCC.