Monday, May 20, 2019
Wall switches and light fixtures in a building
The wall switches come in various shapes and designs, exactly they generally consist of a metal conducting plate and Insulating plates to cover It. wall switches are constructed of metal faceplates that is to be made out of ferrous metals not less than 0. 76 mm in thickness or non ferrous metals not less than 1. 2 mm In thickness, and the insulating tace plates are made out ot an insulating non burnable material not less than 2. 54 mm in thickness (NFPA 2011 The lax fixtures of the place commonly etermines the location of the switch to help get the most efficient excitement for the place. For residential places, all the suite light fixtures must be on a 15-amp roundabout. A wall switch has to be fit(p) near every room entry door and a receptacle has to be found every 12 feet to help operate non permanent light fixtures that cannot be operated by a switch.Closets shall have one bollock covered fixture operated by a wall switch. Bathrooms require special moisture resistant li ght fixtures due to its damp environment also the fixtures should be covered with lenses or globes and one 20- mp circuit for bathroom outlets only (thiele, 2010). In the presence of a laundry room, the washer and dryer should have their man-to-man 20 circuit and in case of electric dryer an Independent 240-volt circuit shall be used.The kitchen Is commonly the place with the highest number of appliances all over the home. thus it requires Its own 15-amp circuit for the excitement. Stairways needs proper lighting fixtures, a switch, mostly three-way switch, Is to be placed at the top and bottom of the stair and at every mould if necessary Hallways requires three-way switches at the two ends of the ay and four-way switches near every door throughout the hallway, hallways over 10 feet long requires a mlnlmum ot one outlet for general purposes (NFPA, 2011).Basements and garages is recommended to have three-way switches amongst doors and a minimum of 1 outlet is required. Outdoor li ghting fixtures of a building have to be protected trom weather tactors and any other exterior tactors by sealing the wires and having underground cables. Outdoor lighting shall has to be highly effcient and controlled by a switch In addition to a sensor to turn off the lights during daytime for energy saving purposes
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