1.1 This specification covers the performance of shielded transition couplings to join dissimilar DWV pipe and fittings above ground up to and including 10 in. pipe and fittings.

1.2 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.

The following precaution comment pertains only to the test method portion, Section , of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.3 The committee with jurisdiction over this standard is not aware of any comparable standards published by other organizations.