(a) Is armed with a burglary tool or theft device as defined in ORS 164.235 or a deadly weapon;
(b) Causes or attempts to cause physical injury to any person; or
(c) Uses or threatens to use a dangerous weapon.
(2) Burglary in the first degree is a Class A felony. [1971 c.743 §137; 2003 c.577 §10]