Are luminaire disconnects required?
Beginning in 2008, all new and replacement luminaires in the United States must be installed with a disconnecting means. When a servicing electrician replaces a luminaire in a commercial building, for example, the codes will require the installation of a disconnecting means between the power line and the ballast.
What is a ballast disconnect?
Power Plug Ballast Disconnect has push-in technology, which enables quick connections without the need for tools. Designed for new, retrofit, or OEM lighting installations. It provides safe disconnect of hot and neutral ballast wiring. design allows ballast replacement while minimizing the risk of shock.
What can be used to terminate the luminaire?
(a) A luminaire shall be permitted to be connected with a cord terminating in a grounding-type attachment plug or busway plug.
What are the components that make up a lampholder?
Light Fixture (Luminaire) Components
- Wiring. Electrical wiring, which provides power to the luminaire.
- Junction Box. The junction box provides a location to connect the wiring that comes from the power source with the internal wiring for the light fixture.
- Lamp Holder.
- Lamp.
- Reflector.
- Lens.
- Trim.
What are the guidelines for recessed incandescent luminaires not marked IC?
All lighting fixtures that are not IC rated fixtures should be installed in such a manner that they are at least 1/2 inch away from any rafters and no closer than 1/2 inch from ceiling insulation. When selecting bulbs for either type of fixture, do not exceed the wattage rating marked on the fixture.
What is the maximum voltage permitted to supply luminaires that are mounted directly to the exterior of a building?
Circuits exceeding 120 volts, nominal, between conductors and not exceeding 277 volts, nominal, to ground shall be permitted to supply luminaires for illumination of outdoor areas of industrial establishments, office buildings, schools, stores, and other commercial or public buildings.
What is a ballast in a boat?
Ballast is material that is used to provide stability to a vehicle or structure. A compartment within a boat, ship, submarine, or other floating structure that holds water is called a ballast tank. Water should move in and out from the ballast tank to balance the ship.
What size is ballast wire?
18 AWG
Ballast wires are 18 AWG. Use a blue wire connector for up to four 18 AWG wire connections. Use orange wire connector for more than four 18 AWG wire connections. Light fixtures from the factory are wired with the ballast wires connected directly to the lampholders.
What is the minimum clearance from the storage area to surface mounted incandescent luminaires?
12 inches
Surface-mounted incandescent or LED luminaires with a completely enclosed light source shall be installed on a wall above the door or on the ceiling, provided that there is a minimum clearance of 12 inches (305 mm) between the fixture and the nearest point of a storage space.
What is the end of a light bulb called?
Thin glass forms the exterior of the bulb, called the globe. It contains the filament which gives off light, a stem, which holds the filament, and a metal base that screws into a socket, such as in a lamp or ceiling fixture.
What is the requirement for luminaires near combustible material?
Luminaires shall be constructed, installed, or equipped with shades or guards so that combustible material is not subjected to temperatures in excess of 90°C (194°F).
