These requirements cover the design and construction of Type B
(round or oval) and Type BW Gas Vents. Type B Gas Vents are
intended for the venting of flue gases, having temperatures not
exceeding 470 degrees F, from certified gas-fired appliances with
draft hoods or diverters. Type BW Gas Vents are intended for the
venting of flue gases from gas-fired recessed heaters and the
maximum input…
Unplasticized polyvinyl chloride (PVC) adaptor fittings for pipes under pressure — Laying length and...
Specification of the metric series of diameters to be used and of dimensions, which are common to all types of PVC-adaptor fittings for pipes under pressure to secure the connection to existing metal pipes and/or fittings with pipe threads.
Electromechanical components for electronic equipment; basic testing procedures and measuring method...
The tests contained in this standard, when required by the detail specification, shall be used for electromechanical components having an inherent connecting or switching function intended for use in equipment for telecommunication and in electronic devices employing similar techniques.
This standard applies to track systems for ordinary interior use with two or more poles and with provision for earthing (Class 1), with a rated voltage not exceeding 440 V between poles (live conductors), rated frequency not exceeding 60 Hz and a rated current not exceeding 16 A per conductor for the connection of luminaires to the electrical supply.
Quartz crystal units for frequency control and selection. Part 3: Standard outlines and pin connecti...
Loose-leaf booklet containing standard outlines and pin connections. Thirty-four standard sheets are included and supplements will be issued as new outlines are developed.
