Special Use Switches

REVISED SCOPE - 2014-07-22

1.  Scope for C22.2 No. 55

1.1

This Standard applies to manually operated and mechanically operated special use switches that are

(a)  for use on dc, ac/dc, or ac only; and

(b)  rated at not more than

          (i)    60 A at 250 V or less; or

          (ii)   30 A or 2 hp at 600 V or less

and intended for use in accordance with the Canadian Electrical Code, Part I and General Requirements – Canadian Electrical Code, Part II, CAN/CSA C22.2 No. 0.

1.2

This Standard does not apply to:

(a)  switches forming parts either of electrothermal appliances or automatic temperature-responsive switches;

(b)  switching mechanisms built into lampholders covered in CSA Standard C22.2 No. 43;

(c)  general use switches covered in CSA Standard C22.2 No. 111;

(d)  solid-state single-phase motor speed controls covered in CSA Standard C22.2 No. 156;

(e)  dimmers covered in CSA Standard C22.2 No. 184.1;

(f)  clock-operated switches covered in CSA Standard C22.2 No. 177;

(g)  switches for use in hazardous locations.

(h) solid state lighting controls covered in CSA Standard C22.2 No. 184

ORIGINAL SCOPE - 2014-07-08

1.1
This Standard applies to manually operated and mechanically operated special use switches that are
(a) for use on dc, ac/dc, or ac only; and
(b) rated at not more than
(i) 60 A at 250 V or less; or
(ii) 30 A or 2 hp at 600 V or less.

1.2
This Standard does not apply to
(a) switches forming parts either of electrothermal appliances or automatic temperature-responsive switches;
(b) switching mechanisms built into lampholders covered in CSA Standard C22.2 No. 43;
(c) general use switches covered in CSA Standard C22.2 No. 111;
(d) solid-state single-phase motor speed controls covered in CSA Standard C22.2 No. 156;
(e) dimmers covered in CSA Standard C22.2 No. 184;
(f) clock-operated switches covered in CSA Standard C22.2 No. 177;
(g) switches for use in hazardous locations.