S-2.1, r. 4 - Safety Code for the construction industry

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7.1.2.1. Definitions: For the purposes of this subdivision,
nailing gun means a device held by hand by a single operator and in which energy is transmitted in a linear manner to a steel nail charged into the device in order to drive the nail. The energy required for driving comes in particular from compressed air, combustion gas or an electrical load, but not from propellant powder;
dual-action contact-trip command means a command method in which the trigger and the nose contact element must be interlocked so that only one drive operation is carried out by pressing the trigger while the nose contact element is pressed on the material. To repeat the operation, the trigger and the nose contact element must first return to their idle position;
trigger means a finger-actuated part that controls the arrival of energy to the driving mechanism of a nailing gun;
nose contact element means a mechanism at the end of a nailing gun that, for as long as it is not touching a material, prevents the firing of a nail;
framing work means construction work related to the structure of walls, floors and roofs. Finishing work and work for covering roofs with shingles are excluded.
O.C. 483-2021, s. 9.