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Wednesday, February 27, 2019

Wall switches and light fixtures in a building

The surround castigatees come in various shapes and designs, solely they gener all in ally consist of a metal conducting plate and Insulating plates to cover It. wall switches are constructed of metal faceplates that is to be make 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 combustible material not less than 2. 54 mm in thickness (NFPA 2011 The light fixtures of the place usually etermines the location of the switch to help get the most efficient lighting for the place. For residential places, all the modes light fixtures must be on a 15-amp lap. A wall switch has to be placed high-priced 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 unmatched globe covered fixture operated by a wall switch. Bathrooms require special moist ure resistant light fixtures ascribable 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 individual 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 experience 15-amp circuit for the lighting. Stairways needs proper lighting fixtures, a switch, mostly multilateral switch, Is to be placed at the top and bottom of the stair and at every turn 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 between doors and a minimum of 1 o utlet is required. Outdoor lighting fixtures of a expression have to be protected trom weather tactors and any other out-of-door tactors by sealing the wires and having underground cables. Outdoor lighting shall has to be extremely effcient and controlled by a switch In addition to a sensing element to turn off the lights during daytime for energy saving purposes

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