Table of Contents
Why are some of my outlets upside down?
Electricians may position the outlet in an upside-down position so that you can quickly identify the switch-controlled receptacle. Since it stands out visually to most people right away – it provides convenience to the occupants to easily remember which outlet is switch controlled.
Should plugs be upside down?
The electrical code allows outlets to be installed with the ground plug hole facing up, down or sideways. It’s up to you, there is no standard electric outlet orientation. So that means there really is no such thing as upside down outlets.
Why are outlets upside down in hospitals?
Why are the electrical outlets in hospitals upside down? The ground is at the top. It’s because most plug in loads in hospitals are on movable carts. It allows cords to be extended an extra foot or so that would not be available if they were pointed down.
Why do some electrical outlets have a horizontal?
Horizontal slot for rotated neutral pin to accommodate a 20 amp plug. 20 amp plugs are sometimes used with shop equipment, window air conditioners, etc. A 20 amp plug can not be plugged into a 15 amp receptacle.
What does a green dot on an outlet mean?
hospital-grade
The green dots indicate that the UPS outlets and plug are certified as hospital-grade and may be used within patient-care vicinities.
Why do 20-amp outlets have a slot?
The T-shaped slot indicates that the 120-volt receptacle is rated for 20-amps. Regular wall receptacles with a pair of vertical slots are rated for only 15-amps, but the T-shape enables it to accept either a 15- or 20-amp plug.
Why do electric plugs have holes in the blades?
These bumps fit into the holes so that the outlet can grip the plug’s prongs more firmly. This detenting prevents the plug from slipping out of the socket due to the weight of the plug and cord. It also improves the contact between the plug and the outlet.
Why are there two holes in an electrical plug?
These bumps fit into the holes so that the outlet can grip the plug’s prongs more firmly. This detenting prevents the plug from slipping out of the socket due to the weight of the plug and cord. There also is a small savings in raw materials (metal) for the manufacturer of the actual plug prong. Every little bit helps!