The provisions of this registration and inventory system shall not apply to:
(a) Fuel-burning and cooking equipment utilized in connection with any structure designed and used exclusively as a dwelling for not more than four families;
(b) Laboratory equipment used exclusively for chemical or physical analysis or experimentation;
(c) Portable brazing, soldering, or welding equipment;
(d) All gas and distillate fuel-oil-burning equipment of less than 500,000 BTU/hr. capacity.
(Ord. 1970-69. Passed 7-28-70.)