A key basketball court dimension for installation purposes is the distance from the baseline to the face of the backboard. In a setting where sanction play will occur the dimension from the baseline to the face of the backboard will be 4′. Obviously if your goal is to insert a pole type basketball system in a residential setting this option could significantly lessen the playing area of the court. As mentioned above 4′ is the rule for sanctioned play but in a residential setting the closer you can get to this dimension without significantly diminishing the playing area is preferred.
A regulation basketball hoop that is used for NBA and NCAA tourneys is quite different to the hoops used at home. A tournament committee that ensures that the playing conditions are uniform for all the teams decides its size and dimensions. Any change in the dimensions, design or color of the regulation hoop is communicated to participating teams well in advance so that they face no problem on match days.
The height of the regulation hoop used by NBA is ten feet. It uses a backboard made of a transparent material. Behind the backboard is a red light, which is used to indicate the end of a playing period. The red light is so positioned that it is visible to the players, coaches and referees. Very rarely, home hoops use lights.
The regulation glass backboards are 72 inches across, 42 inches high, and 1/2-inch thick. These dimensions are very different to home backboards which generally fall in the 40-inch to 60-inch range with a thickness that varies from 5/16-inch to 1/2-inch thick
Great care is taken to select the backboard. The surface is smooth and firm, and the bounce even. Uneven surfaces or surfaces that produce uneven bounce can break the rhythm of the players, and disturb the entire game.
Similar attention is paid to the selection and mounting of the basket. The best rims are those that have an 18-inch diameter, and are at least 5/8-inch thick. Steel clips are used to clamp the net to the rim, which is painted orange.
The regulation pole too is thicker to the poles used at home. This is because the pole has to support a heavier and a larger backboard. That is why game regulators prescribe a six-inch pole to support the regulation 72-inch by 42-inch backboard with a four-foot overhang.
These hoops are very sturdy, and can take a lot of pounding. They can easily survive frequent airborne assaults by players who try to dunk from close to the backboard, or swing from the basket.
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