We will be isntalling a 80" Sharp Display. This thing is about 44 inches high but we have about 20' tall ceilings. I figure most tables are about 30 inches high and so I'm thinking to have the bottom of the display at 3' putting the top of the screen at abotu 6.5'.

What do you think?

Also, for the Control keypad is there any regulation for keypad height. I think there is something for light switches that has to do with Wheel chair bound or short people?

I don't know about the control keypad height, we typically keep them in line with light switches.  

I did all kinds of math for you to show you that I thought 3' was too low.  By the time I was done, I came up with 38".  So I guess 3' sounds about perfect!

Here's the math if you care to see.

1/2 the wall H = 120" 

120"- 44" TV = 76"

76"/2= 38".

Yep...Thems my math skillz.

I typically put the bottom of the displays at 42". That will usually allow unobstructed sight to the display.

As for light switch height. ADA rules say that light switches must be located so that a person in a wheelchair may reach it comfortably. If a front approach by wheelchair is possible, the light switch may be located no higher than 48 inches above the floor. If a wheelchair can access a light switch location from the side, the light switch may be located at a maximum of 54 inches above the floor. If a light switch is located above a counter, its height is limited to 40 inches above the floor.

But you also have to watch if using a touchpanel keypad because the viewing angle from below is usually horrible.

This is interesting. We started raising all of our keypads much higher. it is way better to operate these at this height rather than light switch level. I guess our friends in wheelchairs are screwed on our latest installs.

edit- of course I am referring to Home installations and not commercial. Although we did install a kp-4000 in a bar and it is mounted almost 6ft high to keep from getting wet.

48" AFF minimum to the bottom of the display is typical. You have to take into account that people sitting in front of you may obstruct the view of the display. The goal is to provide clear sightlines for everyone in the space, with no more than 15* angle to the center of the display.

ADA is no joke. The end user could be fined, or if the fire marshal is in a particularly good mood that day, shut down. It applies to wall mounted devices, control surfaces, assistive listening systems, etc...

"ADA Accessibility Guidelines (ADAAG) specify that objects projecting from walls with their leading edges between 27" and 80" above the finished floor shall protrude no more than 4" into walks, corridors, passageways, or aisles. Objects mounted with their leading edges at or below 27" may protrude any amount. "

"For an unobstructed approach, the maximum forward reach to this equipment (for example, the fire extinguisher handle) is 48" above the floor. The maximum side reach for such an approach is 54". The actual mounting heights for cabinets housing this equipment can be determined by reviewing the exact dimensions of the specified cabinet and the positioning of the fire equipment within that cabinet. Please note that these ADAAG reach range requirements fall with the NFPA (National Fire Protection Association) guidelines. The NFPA guidelines state that the distance from the floor to the top of the fire extinguisher to be no more than 5 feet. "

Well that's perfect, as I like 5' to the top for Keypads and TP's!

How is that perfect? That's NFPA guidelines for a fire extinguisher...

54" AFF max side reach per ADA. That's where your control panels have to go in a commercial environment.

4.27 Controls and Operating Mechanisms.

4.27.3* Height. The highest operable part of controls, dispensers, receptacles, and other operable equipment shall be placed within at least one of the reach ranges specified in 4.2.5 and 4.2.6. Electrical and communications system receptacles on walls shall be mounted no less than 15 in (380 mm) above the floor. Appendix Note
EXCEPTION: These requirements do not apply where the use of special equipment dictates otherwise or where electrical and communications systems receptacles are not normally intended for use by building occupants.

4.2.5* Forward Reach. If the clear floor space only allows forward approach to an object, the maximum high forward reach allowed shall be 48 in (1220 mm) (see Fig. 5(a)). The minimum low forward reach is 15 in (380 mm). If the high forward reach is over an obstruction, reach and clearances shall be as shown in Fig. 5(b). Appendix Note

4.2.6* Side Reach. If the clear floor space allows parallel approach by a person in a wheelchair, the maximum high side reach allowed shall be 54 in (1370 mm) and the low side reach shall be no less than 9 in (230 mm) above the floor (Fig. 6(a) and (b)). If the side reach is over an obstruction, the reach and clearances shall be as shown in Fig 6(c). Appendix Note



305.7 Maneuvering Clearance. Where a clear floor or ground space is located in an alcove or otherwise confined on all or part of three sides, additional maneuvering clearance shall be provided in accordance with 305.7.1 and 305.7.2.

305.7.1 Forward Approach. Alcoves shall be 36 inches (915 mm)wide minimum where the depth exceeds 24 inches (610 mm).


For a forward approach, if the depth of the alcove is greater than 24 inches (610 mm), the clear floor or ground space within the alcove must be 36 inches (915 mm) wide minimum.



Figure 305.7.1 Maneuvering Clearance in an Alcove, Forward Approach

305.7.2 Parallel Approach. Alcoves shall be 60 inches (1525 mm) wide minimum where the depth exceeds 15 inches (380 mm).


For a parallel approach, if the depth of the alcove is greater than 15 inches (380 mm), then the length of the clear floor or ground space within the alcove must be 60 inches (1525 mm) minimum.



Figure 305.7.2 Maneuvering Clearance in an Alcove, Parallel Approach