Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. HydroInspector

    Canadian Electrical Code

    THE MEANING OF THE CE MARKING ____________________________________________ 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...
  2. HydroInspector

    Section 36 Canadian Electrical Code - HV Installations

    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...
  3. HydroInspector

    Molded-Case Circuit Breakers (MCCB) vs. Supplementary Protector

    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...
  4. HydroInspector

    Ground Fault protection on Delta-Delta system?

    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...
  5. HydroInspector

    Isolated Ground Termination Point

    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...
  6. HydroInspector

    Standard Color for indicator lights

    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...
  7. HydroInspector

    Disconnect Switches

    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...
  8. HydroInspector

    Liquidtight flexible conduit

    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...

Part and Inventory Search

Back
Top