Grounding Requirements; Bench Use - HP 3457A Service Manual

Installation
2 5 0 V
OPERATION
PLUG': CEE7-V11
CABLE*: HP 8 1 2 0 - 1 6 9 2
PLUG': NEMA 1-15P
CABLE*: HP 8 1 2 0 - 0 6 8 4
2 5 0 V
OPERATION
PLUG*: CEE22-V1
CABLE*: HP 8120-1860
2 5 0 V
OPERATION
PLUG*: NZSS 1981AS C112
CABLE': HP 81 20-0696
'LUG*: DHCR 1 0 7
:ABLE*: HP 8120-2956
2 5 0 V
OPERATION
PLUG*: BS 1363A
CABLE.: HP 81 20-1351
2 5 0 V
OPERATION
2 5 0 V
OPERATION
PLUG': SEV 101 1.1959-24507
TYPE 1 2
CABLE': HP 8 1 20-2104
PLUG': NEMA G-15P
CABLE*: HP 81 20-0698
PLUG*: NEMA 5-15P
CABLE': HP 81 20-1378
STD 8-4195 (Rev 84)
'The number shown for the plug
IS
the Industry ~dent~fger for the plug only
The number shown for the cable
IS
an HP part number for a complete cable ~ncludlng the plug.
"UL llsted for use In the United States of Amerlca
Figure 2-3. Power Cables
2-1 2. Grounding Requirements
2-13. To protect operating personnel f r o m shoch hazard, the National Electrical Manufacturer's
Association (NEMA) recommends grounding the instr~mient cabinet. T h e H P 3457A is equipped with a
three conductor power cord which, when connected t o an appropriate outlet, grounds the metal portions
of the cabinet.
2-14. Bench Use
2-15. T h e HP Model 3457A is shipped with feet and tilt stands installed and is ready f o r use as a bench in-
strument. T h e feet are shaped t o permit stacking with other HP full-module instruments.
2-1 6. Rack Mounting
2-17. T h e
HP
3457A may
be
tack mounted by adding rack mounting kit Option 908 when ordering the in-
strument. T h e rack mounting hit may also be ordered separately by ordering 1-lP Part Number 5061-1
168.
T h e basic hardware and instructions f o r rack mounting is contained in the kit. T h e rack mounting
hardware is designed t o permit the 3457A t o be mounted in a standard 19 inch rack, provided that suffi-
cient rear support is available. Refer t o Section I f o r other mounting options.