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Order No. 23172
3
WIRING, CONNECTIONS AND
SUPPLY
SUPPLY
—
3.1
GENERAL
—
3.1.1
Current rating and overcurrent
protection
protection
Class III equipment powered by an external Limited
Power Source.
Power Source.
N
3.1.2
Protection against mechanical
damage
damage
Wires are adequately fixed to prevent excessive strain
on wire and terminals and avoiding damage to the
insulation of the conductors.
on wire and terminals and avoiding damage to the
insulation of the conductors.
P
3.1.3
Securing of internal wiring
Refer to Sub-clause 3.1.2.
P
3.1.4
Insulation of conductors
Only internal wiring at SELV levels.
N
3.1.5
Beads and ceramic insulators
No beads or similar ceramic insulators on conductors.
N
3.1.6
Screws for electrical contact
pressure
pressure
No screws used for electrical contact.
N
3.1.7
Non-metallic materials in electrical
connections
connections
No contact pressure through insulating material.
P
3.1.8
Self-tapping and spaced thread
screws
screws
Thread -cutting or space thread screws ar e not used for
electrical connections.
electrical connections.
P
3.1.9
Termination of conductors
Class III equipment powered by an external Limited
Power Source.
Power Source.
N
3.1.10
Sleeving on wiring
No such sleeving used.
N
3.2
CONNECTION TO A.C. MAINS
SUPPLIES
SUPPLIES
Class III equipment, see Summary Of Testing.
N
3.3
WIRING TERMINALS FOR
CONNECTION OF EXTERNAL
CONDUCTORS
CONNECTION OF EXTERNAL
CONDUCTORS
Class III equipment.
N
3.4
DISCONNECTION FROM THE
A.C. MAINS SUPPLY
A.C. MAINS SUPPLY
Class III equipment.
N
3.5
INTERCONNECTION OF
EQUIPMENT
EQUIPMENT
Class III equipment.
N
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