Nec Requirements For Receptacle Outlets Commercial
Also run in emt not ac or mc.
Nec requirements for receptacle outlets commercial. The reason for the nec 2020 code change for gfci protection to include 125v through 250v receptacles outlets is because there have been a handful of fatal incidents reported where children were electrocuted by dryer machines and other big appliances in the specified locations utilizing 250v receptacles. This is exactly how changes in the kitchen island and receptacle outlet requirements in the 2020 nec came about. Required outlets in commercial office stevebrown. The nec doesn t specify the number of receptacle outlets you must have in the kitchen but it does have a specific requirement for outlets serving counter spaces more than 12 inches long.
There is no danger to installing 15 amp outlet receptacles on a 20 amp circuit in fact this is the standard practice but under no circumstances should a 20 amp receptacle be installed on a 15 amp circuit. Each code cycle since the 2008 nec there has been revisions to the rules pertaining to tr receptacles. The nec is a minimum standard. A 20 amp receptacle is designed to accept the special plug on heavier use appliances and if such an appliance plugs into a 15 amp circuit there is a danger of drawing too much power and.
Since 1971 the nec has expanded the requirements for ground fault circuit interrupters gfci to protect anyone who plugs into an electrical system. In an effort to safeguard even more electrical installations the nec has expanded requirements for gfci type receptacles. In the 2014 nec the rules in article 406 for tr receptacles only pertained to 15 and 20 ampere 125 volt nonlocking type receptacles in specific locations such as dwelling units guest rooms and day care centers. Since there is no requirement the receptacles when provided can be placed wherever you see fit.
You might be better off to allow 1 2 of the nec max or 5 6 recept s per ckt. Initially it was only required for temporary wiring at construction sites and in dwelling unit bathrooms but in recent years. Can add more ckts later. What the nec allows for the number of recep s on a commerical circuit is far more than you may want.
There can be no part of the countertop farther than 24 inches from an outlet which means that the maximum spacing between countertop receptacles is 48 inches. The same circuit can supply the entire bathroom outlets plus lighting provided there are no heaters including vent fans with built in heaters and provided the circuit serves only a single bathroom and no other areas. The only requirements in part iii of article 210 pertaining to required receptacles in commercial occupancies are in 210 62 and 210 63. A public input was received by nec code making panel 2 cmp 2 on the number of receptacle outlets for kitchen island locations in a dwelling unit.
A wall receptacle is not even required by the nec in part iii of article 210 to serve the common corridors in a commercial building.