B-1.1, r. 2 - Construction Code
8.156. A hose on a motor fuel dispenser must be no longer than
(1) 5 m; it may however be 6 m long if it has a retracting mechanism;
(2) 6 m for an unattended self-serve facility; it may however be 7.5 m long if it has a retracting or coiling mechanism; or
(3) 7.5 m for an airport outlet, a user outlet or a marina outlet if it has a retracting mechanism; that requirement does not apply to a hose with a coiling mechanism.