30 CFR Appendix A to Subpart F of Part 75
List of Permissible Electric Face Equipment Approved by the Bureau of Mines Prior to May 23, 1936
July 29, 2020
Motor-Driven Mine Equipment
Open Table
Approval No. | Date |
---|---|
Air Compressors | |
128 | March 21, 1927. |
128A | July 16, 1926. |
Coal Drills and Drilling Machines | |
Hand Drills | |
109 | September 19, 1922. |
154 | August 1, 1928. |
184 | February 7, 1930. |
227 | July 29, 1931. |
254 | July 15, 1933. |
Post Drills | |
119 | April 15, 1925. |
119A | Do. |
225 | July 10, 1931. |
225A | Do. |
228 | August 12, 1931. |
228A | February 17, 1932. |
230 | August 20, 1931. |
230A | Do. |
237 | December 1, 1931. |
237A | Do. |
Drilling Machines | |
147 | February 8, 1928. |
147A | Do. |
176 | September 9, 1929. |
176A | Do. |
Loading and Conveying Equipment | |
loading machines | |
Unmounted Type | |
122 | January 8, 1926. |
122A | Do. |
Caterpillar-Mounted Type | |
150 | May 11, 1928. |
186 | March 15, 1930. |
222 | May 8, 1931. |
222A | July 28, 1931. |
229 | August 17, 1931. |
229A | Do. |
235 | November 27, 1931. |
235A | October 29, 1931. |
278 | January 17, 1935. |
278A | Do. |
283A | March 12, 1935. |
284A | Do. |
285A | Do. |
294 | September 18, 1935. |
300A | May 6, 1936. |
127 | July 16, 1926. |
127A | September 23, 1927. |
Track-Mounted Type | |
194 | June 6, 1930. |
194A | Do. |
217 | February 27, 1931. |
217A | Do. |
276 | January 11, 1935. |
277 | January 17, 1935. |
282A | March 12, 1935. |
291A | July 3, 1935. |
Pit-Car Loaders | |
167 | March 27, 1929. |
167A | Do. |
175 | July 26, 1929. |
175A | June 24, 1929. |
250 | December 10, 1932. |
250A | Do. |
252A | February 20, 1933. |
Conveyors | |
Belt Type | |
236 | November 19, 1931. |
287A | March 12, 1935. |
296A | January 6, 1936. |
Chain Type | |
151 | May 19, 1928. |
209 | December 2, 1930. |
240 | March 12, 1932. |
240A | Do. |
298A | March 3, 1936. |
Power Units for Conveyors | |
265 | February 12, 1934. |
265A | March 19, 1934. |
390A | March 23, 1934. |
Shaker Type | |
247 | October 21, 1932. |
257A | August 11, 1933. |
262A | December 8, 1933. |
271 | May 20, 1935. |
271A | October 17, 1934. |
274A | December 13, 1934. |
286A | March 12, 1935. |
295 | September 20, 1935. |
299A | April 9, 1936. |
Scraper-type Loaders | |
138 | August 5, 1927. |
138A | Do. |
196 | September 29, 1930. |
196A | July 26, 1930. |
226 | July 27, 1931. |
255 | July 31, 1933. |
256 | Do. |
Mining Machines, Machinery-Moving Equipment, Miscellaneous Trucks, and Water Spray Supply Units | |
mining machines | |
Shortwall Machines | |
103 | November 2, 1917. |
103A | Do. |
105 | February 9, 1922. |
105A | Do. |
106 | Do. |
106A | Do. |
107 | Do. |
107A | Do. |
108 | Do. |
108A | Do. |
111 | October 16, 1922. |
111A | Do. |
113 | November 4, 1924. |
113A | Do. |
114 | February 7, 1925. |
114A | Do. |
115 | Do. |
115A | Do. |
153 | July 31, 1928. |
153A | Do. |
193 | June 3, 1930. |
193A | Do. |
197 | July 31, 1930. |
197A | Do. |
198 | August 1, 1930. |
198A | Do. |
201 | September 8, 1930. |
201A | Do. |
204 | October 13, 1930. |
204A | December 13, 1930. |
223 | May 13, 1931. |
223A | Do. |
241 | March 18, 1932. |
241A | Do. |
258 | August 15, 1933. |
259A | August 16, 1933. |
260A | August 17, 1933. |
273 | November 30, 1934. |
288 | March 27, 1935. |
288A | Do. |
292 | September 11, 1935. |
292A | Do. |
293A | Do. |
Longwall Machines | |
185 | February 24, 1930. |
185A | Do. |
218 | March 10, 1931. |
218A | Do. |
246 | August 19, 1932. |
246A | Do. |
261 | September 12, 1933. |
Track or caterpillar mounted | |
112 | March 13, 1924. |
112A | Do. |
118 | March 12, 1925. |
118A | Do. |
125 | April 26, 1926. |
125A | Do. |
172 | April 30, 1929. |
172A | Do. |
188 | April 15, 1930. |
188A | Do. |
207 | November 14, 1930. |
207A | Do. |
216 | February 12, 1931. |
216A | Do. |
231 | August 31, 1931. |
231A | Do. |
242 | April 7, 1932. |
244 | June 18, 1932. |
244A | September 20, 1932. |
253A | February 25, 1933. |
267 | June 27, 1934. |
268A | July 25, 1934. |
269A | September 24, 1934. |
280A | March 4, 1935. |
297 | January 27, 1936. |
297A | Do. |
Mine Pumps | |
140 | November 1, 1927. |
140A | Do. |
143 | Do. |
143A | Do. |
144 | Do. |
144A | Do. |
199 | August 18, 1930. |
199A | Do. |
208 | November 29, 1930. |
210 | December 15, 1930. |
210A | Do. |
211 | December 17, 1930. |
211A | Do. |
213 | December 29, 1930. |
213A | Do. |
214 | January 2, 1931. |
214A | Do. |
215 | Do. |
215A | Do. |
248 | October 31, 1932. |
248A | November 23, 1932. |
264 | January 31, 1934. |
264A | Do. |
272 | October 23, 1934. |
272A | Do. |
Rock-Dusting Machines | |
130 | November 5, 1926. |
137 | July 2, 1927. |
146 | January 20, 1928. |
146A | April 3, 1928. |
180 | October 30, 1929. |
180A | January 17, 1930. |
206 | November 12, 1930. |
279 | February 14, 1935. |
Room and Car-Spotting Hoists | |
116 | February 13, 1925. |
116A | Do. |
164 | January 21, 1931. |
164A | Do. |
165 | Do. |
165A | Do. |
169 | April 5, 1929. |
169A | February 26, 1934. |
190 | April 20, 1930. |
251A | January 16, 1933. |
263 | January 11, 1934. |
266A | February 27, 1934. |
Storage-Battery Locomotives and Power Trucks | |
(Approved under Schedules 15, 2C, 2D, and 2E) | |
Gathering Locomotives | |
1501 | October 11, 1921. |
1502 | November 13, 1922. |
1503 | March 24, 1923. |
1505 | April 5, 1924. |
1507 | August 20, 1925. |
1508 | March 21, 1925. |
1509 | September 25, 1925. |
1511 | November 10, 1925. |
1512 | November 11, 1925. |
1513 | February 25, 1926. |
1516 | December 28, 1926. |
1517 | February 10, 1927. |
1520 | May 27, 1929. |
1521 | June 13, 1930. |
1522 | September 12, 1930. |
1523 | December 19, 1930. |
1525 | July 25, 1934. |
1526 | December 20, 1935. |
Tandem Locomotive | |
1518 | November 21, 1927. |
Power Trucks | |
1506 | May 5, 1924. |
1505A | June 21, 1926. |
1510C | December 31, 1926. |
1514 | December 18, 1926. |
1515 | December 28, 1926. |
1512C | September 13, 1928. |
1519C | April 6, 1929. |
1524C | June 25, 1934. |
Junction, Distribution, and Splice Boxes | |
(Approved under Schedules 2D and 2E) | |
Junction Boxes | |
400 | June 16, 1928. |
400A | August 5, 1925. |
401 | May 11, 1927. |
401A | Do. |
402 | Do. |
402A | Do. |
403 | April 14, 1931. |
403A | Do. |
405A | December 4, 1933. |