RULE NO. 1—COURT DIMENSIONS—EQUIPMENT
Section II—Equipment
a. The backboard shall be a rectangle measuring 6' horizontally and 3Ѕ' vertically. The front surface shall be flat and transparent.
b. A transparent backboard shall be marked with a 2" white rectangle centered behind the ring. This rectangle shall have outside dimensions of 24" horizontally and 18" vertically.
c. Home management is required to have a spare board with supporting unit on hand for emergencies, and a steel tape or extension ruler and a level for use if necessary.
d. Each basket shall consist of a pressure-release NBA approved metal safety ring 18" in inside diameter with a white cord net 15" to 18" in length. The cord of the net shall not be less than 30 thread nor more than 120 thread and shall be constructed to check the ball momentarily as it passes through the basket.
e. Each basket ring shall be securely attached to the backboard with its upper edge 10' above and parallel to the floor and equidistant from the vertical edges of the board. The nearest point of the inside edge of the ring shall be 6" from the plane of the face of the board. The ring shall be painted orange.
f. (1) The ball shall be an officially approved NBA ball between 7Ѕ and 8Ѕ pounds pressure.
(2) Six balls must be made available to each team for pre-game warmup.
g. At least one electric light is to be placed behind the backboard, obvious to officials and synchronized to light up when the horn sounds at the expiration of time for each period. The electric light is to be “red.”
