- Terminals shall be of the correct size to accommodate the wire or terminal as required by the switch current and load.
- Blade terminals are not preferred but if used shall comply with SAE J858.
- Screw terminals shall be at least a #6 or larger screw size.
- A weatherproof (IP65) switch is required where it may be in the rain, splashed or subjected to spray.
- Each switch that is in the weather shall be in a weatherproof (IP65) enclosure and externally operable.
- Switches in branch circuits shall be installed in the positive wire. (Does not apply to reversing DC motors).
Switches shall meet the following conditions:
- Switch voltage shall not be less than system voltage
- Switches shall be designed to handle the load (current) they are switching
- Switches shall match the load (current) type. Load (current) types are listed:
- Resistive load (e.g., heaters)
- Inductive load (e.g., coils, transformers)
- Capacitive load (e.g., DC power supply)
- Lamp load (e.g., tungsten filaments)
- Motor load (e.g., DC or AC motors)
Last updated 01/14/04