THE MEANING OF THE CE MARKING
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A number of our customers are asking what the CE mark means in Ontario.
The CE mark means nothing from an approval point of view. The only acceptable approval marks are shown in the latest edition of Electrical...
Rationale for Rule 36-308.
Any non-current-carrying metal object, unless grounded to the station ground electrode, may experience a rise in voltage (potential) to ground or to other nearby objects, either because of induction or by voltage gradients created by the passage of high fault...
UL 489
Applications Requiring
Branch Circuit Protection
UL 489
Protects conductors entering the OEM equipment.
This required UL 489 device may be provided integral
to the OEM equipment or be external as part of the
distribution system. May act as branch circuit
protection if it protects the...
Ground Fault Protection Rule 14-102
Ontario Electrical Safety Code
Rule 14-102 requires ground fault protection be provided, to de-energize all normally ungrounded conductors of a
circuit that faults to ground, where one of the following circuit characteristics exists in solidly grounded...
I know this thread deals primarily with the US, but here is how we deal with the situation in Canada.
Rule 10-906 Bonding Conductor Connection to Circuits and Equipment
(6) A bonding jumper shall be installed to connect the bonding conductor to the grounding terminal of a receptacle and in...
Color Coding for pushbuttons, indicator (pilot) lights, and illuminated pushbuttons
( NFPA 79 Industrial Machinery)
Color Device Type Typical Function Examples
RED
Pushbutton Emergency Stop, Stop, Off Emergency Stop button, Master Stop button, Stop of one or more motors.
Pilot...
As per the Ontario SPE-1000-99
Model Code for the Field Evaluation of Electrical Equipment
4.17 Motor Controls
4.17.1
Each motor shall be provided with a control device for starting and stopping it that has a rating in horsepower not less than the motor rating, except for:
(a) in the...
Here it is as per the Ontario Electrical Safety Code - 2003'
Rule 12-1302(2)
Runs of not more than 1.5 m of 3/8 (12) trade size liquid-tight flexible conduit shall be permitted for the connection of equipment.
Intent for Rule 12-1302(2). Since the 3/8 trade size conduit is not recognized...
