# COMAR Title 09 — Maryland Department of Labor

## Subtitle 12 — Division of Labor and Industry

### Chapter 66 — Inflatable Amusement Attractions

#### Regulation .18 Equipment and Materials.

*COMAR 09.12.66.18*

A. Guarding.

  (1) The owner shall ensure that machinery is guarded to prevent contact with belts, fan blades, or similar moving components.

  (2) Guards shall be:

    (a) Designed to perform a specific task;

    (b) Properly secured; and

    (c) Properly maintained in a condition consistent with the intent of the guard’s design.

  (3) Before a guard is removed for maintenance purposes:

    (a) The equipment shall be locked out or tagged out; and

    (b) The guard shall be replaced before normal operation is resumed.

  (4) A guard shall be designed so that it does not pose a hazard itself.

B. Portable Electric Generators.

  (1) A portable electric generator is not required to be grounded if the portable electric generator:

    (a) Supplies only equipment mounted on the generator; or

    (b) Supplies power to the equipment through receptacles mounted on the generator that are connected by plug and cord and single extensions.

  (2) If a portable electric generator does not comply with §B(1) of this regulation, the owner shall ensure that a grounding electrode, such as a ground rod, is used for any fault current.

  (3) A portable electric generator shall be listed and labeled by a Nationally Recognized Testing Laboratory.

  (4) A portable electric generator may not be located:

    (a) Near user or pedestrian traffic; or

    (b) In locations that may be hazardous.