SUMMARY OF REQUIREMENTS

FOR

Standard No - UL2158,Edition - 3rd,Issue/Revised Date - 2014/3/18

Standard Title- Electric Clothes Dryers

This document is derived from the following Standard Development Organization (SDO) bulletin(s) or other documentation publicly available to UL subscribers:

Standard Development Organization (SDO) / Document Type
(proposal, bulletin, etc) / Document Designation / Date
UL / Standard/Bulletins / 2158 / Bulletin Dated 2013-04-19
Bulletin Dated 2013-10-11
UL 2158, 3rd Edition
Primary motivator for the Standards revision / New Technology, harmonization, general updates, clarifications, and corrections to the Standard.
CCNs Impacted / KMEX (including -2, 3, 7, 8, 9)

The following is a summary of the revised/new certification requirements.

Action is Not Required for current certified products and the new/revised certification requirements will be applied in evaluation of the new and revised products effective (Effective Date).

Section Paragraph Clause / Summary of requirements / Action
Adding 19.3.2 / Addition of a flood test to simulate failure of water valve in the open position / New requirement - action not required
Impact
Adding Clause 24.13.9 / Addition of requirements for thermistor-type devices used as temperature controls / New requirement - action not required
Impact
Adding Clauses 7.2.3.9, 7.2.3.10, 7.2.5.3 / Addition of requirements for installation and user maintenance instructions for ungrounded parts and installation instructions for installation on a concrete floor / New requirement - action not required
Impact
Adding Clause 27.2.5 / Addition of neutral-ground link requirements / New requirement - action not required
Impact
Adding 3.1.13, 3.1.20, 3.1.28, 3.1.29, 3.1.30, 7.1.2.13, 7.2.3.2, 11.9.1, 19.5.3, 19.5.8, 19.7.1, and
Revising 4.2, 7.1.2.14, 7.1.3.1, 7.1.3.2, 7.1.3.3, 7.2.3.3, 7.2.3.4, 7.2.3.5, 7.2.3.6, 7.2.3.7, 19.5, 19.5.1, 19.5.2, 19.5.4, 19.6.9, 19.6.11, 19.7.10, 19.7.12 20.7.3, 22.5.4, 22.7, and Note c of Table 2 / Modification of fire containment requirements:
Exemption of Condenser type Dryers from the Base Fire Containment Test / New and revised requirements - action not required
No impact
Section Paragraph Clause / Summary of requirements / Action
Revising 19.1.1, 19.1.2, 19.4.1, 19.4.2, 19.5.1, 19.5.6, 19.6.8, 19.7.9 and 19.7.14 / Addition of Cheesecloth reference for abnormal operation tests. / Revised requirement – action not required
No impact
Adding 13.2, and
Revising 15.3, 19.3 and 27.1.4 / Addition of insulation resistance test method / New and revised requirements - action not required
No impact
Revising Clause 7.1.2.18 / Addition of the option to use a tradename for manufacturer's identification / Revised requirement – action not required
No impact
Revising Clause 25.3.4 / Revisions to remove reference to obsolete flexible cord Types HS and HSO / Revised requirement – action not required
No impact
Revising Clauses 24.7.1, 24.7.4, 25.2.4, Annex A / Revision of requirements for standard referenced for electric motors and motor overload protection / Revised requirement – action not required
No impact
Section Paragraph Clause / Summary of requirements / Action
Revising Clause 7.2.3.7, and the note to Clause 25.3.5 / Correction to requirements for cord replacement instructions / Revised requirement – action not required
No impact
Revising Clause 27.3.8 / Correction to requirements for bonding conductors of components or separate electrical enclosures / Revised requirement – action not required
No impact
Revising Clause 33.1.1 and Table 10 / Clarification of requirements for nonfunctional parts / Revised requirement – action not required
No impact
Revising Clause 22.2.3, adding Clauses 33.1.4 – 33.1.8; revising Table 10 and adding Table 11 / Addition of requirements for polymeric materials in contact with or close proximity to live parts / New and revised requirements - action not required
No impact
Revising Clause 26.11 / Clarification of requirements for polarity of single-pole switches and automatic controls / Revised requirement – action not required
No impact
Section Paragraph Clause / Summary of requirements / Action
Revising Clauses 19.6.13 and 19.7.16 / Correction to clause reference in 19.6.13 / Revised requirement – action not required
No impact
Addition of Supplement SA / Addition of Smart-Enabled Electric Clothes Dryer requirements / New requirement - action not required
No impact
Revising Clauses 24.12.16, 29.1.2, 29.2.1, 33.2.1, 33.5.2, 33.9.1, 33.13.1
Revising Clauses 3.1.21, 33.4.1 / Addition of equivalent CSA requirements for existing UL requirements.
Addition of the "5V flame test in CSA C22.2 No. 0.17" where reference to the "127 mm flammability test described in UL 746" is already indicated. / Revised requirement – action not required
No impact
Section Paragraph Clause / Summary of requirements / Action
Revising Clauses 7.1.2.4, 7.1.2.15, 7.1.2.30, 8.2(b), 11.1, 11.6.1, 20.6.2, and 20.6.3. / Corrections and reformatting as follows:
  • Clause 7.1.2.4 revised to clarify the fuse size marking applies to fuses that are to be replaced.
  • The reference in Clause 7.1.2.15 was corrected from Clause 27.1.3 to Clause 27.1.4.
  • Clause 7.1.2.30 revised to provide the reference for the short-circuit test of the motor overload-protective device in Clause 24.8.2.
  • Clause 8.2(b) revised to clarify the types of parts and wires for clarity. "Uninsulating current carrying" was added before "part" and "film-coated" was added before "wire".
  • Clause 11.1 revised to add clause titles to improve the usability of this standard.
  • Clause 11.6.1 revised to clarify the operation of a commercial dryer is as specified for a household dryer in Clause 11.7.1 except operation is continued until maximumtemperatures have been obtained.
  • A reference to Clause 20.6.1(c) is added to Clause 20.6.2 and a reference to Clause 20.6.2(c)(2) be added to Clause 20.6.3 for clarity.
/ Revised requirement – action not required
No impact
Revised clauses not itemized / Editorial revisions - renumbering, updates to format, updating standard and code references, updating the standards referenced in Appendix A, revisions to apply mandatory language in body of standard (such as "may" to "can"), relocation of requirements in a note to a clause as the clauses should contain the requirements, revisions to language to have non-mandatory language in the glossary because these are definitions not requirements / Revised requirement – action not required
No impact