Appendix II to Subpart D of Part 18

Figure 2—Sample Bill of Material B. of M. No. ____Date ______ Revision Date 1. ______2. ______3. ______4. ______5. ______

Bill of Material (Electrical)

(Manufacturing Company) Model:____________________
(Unit Name) Approval 2G–____________________
Motor:____________________
(Manufacturing Company) Frame____________________

___ Hp., ___ Volts, ___ Ph.,

___ Cy., ___ R.P.M.

X/P__________(Date).

______(Date) Extension.

Starter:____________________
(Manufacturing Company) Model____________________

____Hp., ____Volts.

X/P(Date)

______ Extension.

(Date)

Cable—Motor to Starter:

Cond. No. ___, ___"

O.D., ___′ Long

Hose—Motor to Starter Cable:

___" I.D., ___" O.D., ___ ′ Long

Portable (Trailing) Cable—

Type:____________________

Cond. No. ___, ___"

O.D., ___′ Long

Hose—for Portable Cable:

___" I.D., ___" O.D., ___′ Long

Hose Clamps—

2 for Motor-Starter Hose conduit ___" D

1 for Portable Cable Hose conduit __" D*

*Only when short length of hose is used. Trolley Tap—

(Manufacturing Company)

Model ______________ with ___-ampere fuse.

Rail Clamps, 2.

1 Ground Clamp, Cat. No. ___

(Manufacturing Company)

1 Return Power Conductor, Cat. No. ___

(Manufacturing Company) or—as Optional

Plug on outby end of potable cable for insertion into receptacle on distribution box or equivalent with short-circuit protective device set at ___ amperes.

Static-free Belt

Model

Style

Catalog No. ___,

(Manufacturing Company)

Guard for Belt—

Material____________________

Overall Dimensions ___" Long × ___"

Wide ×___" High

Note: The foregoing is intended as a guide. Additional electrical components used shall be completely identified.

Figure 3—Material To Be Included With the Operating Instructions—on or With the Wiring Diagram Submitted to Each Customer

(Sometimes referred to as “Caution Statement”)

caution

To retain “permissibility” of this equipment the following conditions shall be satisfied:

1. General safety. Frequent inspection shall be made. All electrical parts, including the portable cable and wiring, shall be kept in a safe condition. There shall be no openings into the casings of the electrical parts. A permissible distribution box shall be used for connection to the power circuit unless connection is made in fresh intake air. To maintain the overload protection on direct-current machines, the ungrounded conductor of the portable cable shall be connected to the proper terminal. The machine frame shall be effectively grounded. The power wires shall not be used for grounding except in conjunction with diode(s) or equivalent. The operating voltage should match the voltage rating of the motor(s).

2. Servicing. Explosion-proof enclosures shall be restored to the state of original safety with respect to all flame arresting paths, lead entrances, etc., following disassembly for repair or rebuilding, whether by the owner or an independent shop.

3. Fastenings. All bolts, nuts, screws, and other means of fastening, and also threaded covers, shall be in place, properly tightened and secured.

4. Renewals and repairs. Inspections, repairs, or renewals of electrical parts shall not be made unless the portable cable is disconnected from the circuit furnishing power, and the cable shall not be connected again until all parts are properly reassembled. Special care shall be taken in making renewals or repairs. Leave no parts off. Use replacement parts exactly like those furnished by the manufacturer. When any lead entrance is disturbed, the original leads or exact duplicates thereof shall be used and stuffing boxes shall be repacked in the approved manner.

5. Cable requirements. A flame-resistant portable cable bearing a MSHA assigned identification number, adequately protected by an automatic circuit-interrupting device shall be used. Special care shall be taken in handling the cable to guard against mechanical injury and wear. Splices in portable cables shall be made in a workmanlike manner, mechanically strong, and well insulated. Not more than five temporary splices are permitted in a portable cable regardless of length. Connections and wiring to the outby end of the cable shall be in accordance with recognized standards of safety.

Figure 4—Sample Factory Inspection Form

Date ______Inspector ____________

machine

Designation:____________________
Type: ______ Serial No.____________________

motor

Manufacturer:____________________
Serial No.: ___ Type:____________________
Frame:____________________

Hp.__ F.L. Speed:__ Volts:__ Amps._

Winding: ___ X/P No. ___ (or parts list designation).

starter

Manufacturer:____________________
Serial No. ___ Type:____________________

Hp. ___ Volts: ___ X/P No. ___ (or parts list designation).

Short-circuit protection ___ amps.

Overload-current protection ___ amps.

portable cable

Manufacturer: _________________

Type: ______ Conductors: _______

Length: ___ O.D. ___ MSHA No. ____

Is all wiring around machine adequately protected from mechanical damage?

By hose conduit_____, Troughs____________________
Metal tubing _____, Other____________________
By removal of all sharp corners or edges?____________________
Is wiring separated from hydraulic components?____________________
Is an adequate insulated strain clamp provided for the portable cable?____________________
Are all packing glands properly packed so that1/8-inch clearance remains between packing nut and stuffing box?____________________
Are lockwashers (or equivalent) provided for all explosion-proof enclosure fastenings?____________________
Are all plane joints securely fastened so that an 0.005-inch feeler gage cannot be inserted?____________________
Are all threaded covers secured?____________________
How?____________________
Are all electrical connections secure ____
and properly insulated where necessary?____________________
Note: Add appropriate material for each explosion-proof enclosure when more than a motor and starter are on a machine.

[33 FR 4660, Mar. 19, 1968, as amended at 42 FR 8373, Feb. 10, 1977; 42 FR 25855, May 20, 1977]