954                                             LAWS OF MARYLAND                                 [Ch. 4

7-440. TRAILING CABLE.

(A)   NEW CABLES.—EACH NEW TRAILING CABLE USED ON
ELECTRIC MINE EQUIPMENT SHALL MEET THE UNITED STATES
BUREAU OF MINES TEST FOR FLAME—RESISTIVE QUALITY.

REVISOR'S NOTE: This subsection presently appears
as Article 66C, section 593 (a) of the Code.
The only changes made are in style.

(B)   OVERLOAD PROTECTION AND POWER TAPS.—EVERY
TRAILING CABLE SHALL BE PROVIDED WITH A SUITABLE
OVERLOAD PROTECTION AND POWER TAP, UNLESS PROPERLY
CONNECTED TO A PERMISSIBLE JUNCTION OR DISTRIBUTION
BOX.

REVISOR'S NOTE: This subsection presently appears
as Article 66C, section 593 (b) of the
Code. The only changes made are in style.

(C)     SPLICES.--___THE NUMBER OF TEMPORARY,

UNVULCANIZED SPLICES IN A TRAILING CABLE MAY NOT
EXCEED FOUR. THE NUMBER OF TEMPORARY, UNVULCANIZED
SPLICES IN A SHORT HAND CABLE MAY NOT EXCEED ONE.
TRAILING CABLE SPLICES SHALL BE MADE IN A WORKMANLIKE
MANNER, MECHANICALLY STRONG, AND WELL INSULATED.

REVISOR'S NOTE: This subsection presently appears
as Article 66C, section 593 (c) of the
Code. The only changes made are in style.

7-441. UNDERGROUND ILLUMINATION.

ELECTRIC LIGHT WIRE SHALL BE SUPPORTED BY
SUITABLE INSULATORS AND FASTENED SECURELY TO THE POWER
CONDUCTOR BY MEANS OF CLAMPS OR THE EQUIVALENT.
ELECTRIC LIGHT MAY NOT BE INSTALLED WITHIN 150 FEET OF
PILLAR OR ADVANCING WORKINGS. A LIGHT SHALL BE
INSTALLED TO PREVENT IT FROM COMING IN CONTACT WITH
COMBUSTIBLE MATERIAL.

REVISOR'S NOTE: This section presently appears as
Article 66C, section 594 of the Code. The
only changes made are in style.

7-442. MINE OPERATOR REPORT ON ELECTRICITY.

THE BUREAU BY RULE OR REGULATION SHALL REQUIRE A
SYSTEMATIC AND PERIODIC EXAMINATION AND REPORT OF THE
CONDITION OF WIRING AND ELECTRICAL EQUIPMENT AND
APPARATUS. THE MINE OPERATOR SHALL MAKE THE