OFFICIAL BASKETBALL RULES 2010 Page 8 of 21 Basketball Equipment Basket 1 The rings shall be made of solid steel and shall NCS) FIBA proved spectrum(see References [21 Have its metal a minimum of 16 mm and a ma in diameter 3.2 The net shall be attached to each ring in 12 plac ave gaps smaller than 8 mm, to prevent fingers from entering Not be designed as hooks for Level i and 2 208 151±2 Diagram4 Basket ring The rings shall be fixed orce applied to the ring cannot be transferred to the backboard itself. Therefore there all be no direct contact between the ring mounting plate and the backboard Diagram 5) .5 The point on the inside circumference of the ring nearest the backboard shall be 151 mm(+ a maximum of 2 mm) from the face of the backboard.April 2010 Page 8 of 21 OFFICIAL BASKETBALL RULES 2010 Basketball Equipment 3 Basket ring 3.1 The rings shall be made of solid steel and shall:  Have an inside diameter of a minimum of 450 mm and a maximum of 459 mm.  Be painted orange within the following Natural Colour System (NCS) FIBA approved spectrum (see References [2]): 0080-Y70R 0090-Y70R 1080-Y70R  Have its metal a minimum of 16 mm and a maximum of 20 mm in diameter. 3.2 The net shall be attached to each ring in 12 places. The fittings for the attachment shall:  Not have any sharp edges or gaps,  Have gaps smaller than 8 mm, to prevent fingers from entering,  Not be designed as hooks for Level 1 and 2. Attachment of the net (example) Diagram 4 Basket ring 3.3 The rings shall be fixed to the backboard support structures in such a way that any force applied to the ring cannot be transferred to the backboard itself. Therefore, there shall be no direct contact between the ring mounting plate and the backboard (Diagram 5). 3.4 The top edge of each ring shall be positioned horizontally, 3,050 mm (± a maximum of 6 mm) above the floor, equidistant from the two (2) vertical edges of the backboard. 3.5 The point on the inside circumference of the ring nearest the backboard shall be 151 mm (± a maximum of 2 mm) from the face of the backboard. OFFICIAL BASKETBALL RULES 2010 Basketball Equipment April 2010 Page 9 of 21 Must not extend below the bottom edge of the backboard Diagram 5 Ring mounting plate 3.6 For existing basket support structures, it is recommended that the ring mounting plate be fixed to the framework according to the measurements given in Diagram 6. Must not extend below the bottom edge of the backboard Diagram 6 Ring mounting plate for existing baskets 3.7 Pressure release rings with the following specifications shall be used for Levels 1 and 2 and are recommended for Level 3:  It shall have rebound qualities close to those of the fixed ring. The pressure release mechanism shall ensure these characteristics, but not cause any damage to either the ring or the backboard. The design of the ring and its construction shall be such that the players' safety is ensured.  The pressure release rings shall have a 'positive-lock' mechanism which must not disengage until a static load of a minimum of 82 kg and a maximum of 105 kg has been applied vertically to the top of the ring at the most distant point from the Basket Equipment.indd 8 22.12.10 11:37