Electrical requirements shall conform to the requirements of the
National Fire Protection Association 70-1978.
Pipes in platform
vicinity-pipes conveying steam, gas or liquids which if discharged into
the vicinity of the platform would endanger life or health shall not be
voltage of motor, control and operating circuits shall conform to the
requirements of the American National Standards Institute-C1-1978, National
Fire Protection Association 70-1978.
Enclosing of electrical apparatus
in hoistway. All live parts of electrical apparatus in the hoistway
shall be suitably enclosed to protect against accidental contact.
Grounding of electrical
equipment. All metal coverings or enclosures of electrical equipment and
all motors shall be permanently grounded.
Gas or sewer lines below
platform. There shall be no unprotected gas or sewer lines immediately
below the platform.
Emergency stop switch. A stop switch conforming to Rule 210.2e
American National Standard Institute A-17-1-1978 shall be provided on every
signal device. If a vertical wheelchair lift is installed in an area not
visible to personnel at all times an emergency signal shall be installed. The
emergency signal shall consist of a telephone connected to a central telephone
exchange and an audible signal operated from the platform shall be