[Code of Federal Regulations]

[Title 30, Volume 1]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 30CFR28.23]



[Page 159]

 

                       TITLE 30--MINERAL RESOURCES

 

  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR

 

PART 28_FUSES FOR USE WITH DIRECT CURRENT IN PROVIDING SHORT-CIRCUIT 

PROTECTION FOR TRAILING CABLES IN COAL MINES--Table of Contents

 

                   Subpart C_Approval and Disapproval

 

Sec.  28.23  Approval labels or markings; approval of contents; use.



    (a) Approval labels shall bear the emblem of the Mine Safety and 

Health Administration, an approval number, the restrictions, if any, 

placed upon the use of the fuse by MSHA, and where appropriate, the 

applicant's name and address.

    (b) Upon receipt of a certificate of approval, the applicant shall 

submit to MSHA, for approval of contents, full-scale reproductions of 

approval labels or markings, as appropriate, and a sketch or description 

of the method of application and position on the fuse, together with 

instructions for the installation, use, and maintenance of the fuse.

    (c) Legible reproductions or abbreviated forms of the label or 

markings approved by MSHA shall be attached to or printed on each fuse.

    (d) Each fuse shall be marked with the rating of the Underwriters 

Laboratories, Inc.

    (e) MSHA shall, where necessary, notify the applicant when 

additional labels, markings, or instructions will be required.

    (f) Approval labels or markings shall only be used by the applicant 

to whom they were issued.

    (g) The use of any MSHA approval label or marking obligates the 

applicant to whom it is issued to maintain or cause to be maintained the 

approved quality control sampling procedure and the acceptable quality 

level for each characteristic tested, and to guarantee that the approved 

fuse is manufactured according to the specifications upon which the 

certificate of approval is based.

    (h) The use of any MSHA approval label or marking obligates the 

applicant to whom it is issued to retest the approved fuse within a 2-

year period from the date of the certificate of approval, and every 2 

years thereafter, in accordance with the provisions of Sec.  28.10.



[37 FR 7562, Apr. 15, 1972, as amended at 43 FR 12316, Mar. 24, 1978; 45 

FR 68935, Oct. 17, 1980]