Operating Guide

United States
Tel: [phone]
800.816.7809
Fax: [phone]
Technical Services
Tel: [phone]
www.tnb.com
www.tnb.com
United States
Tel: [phone]
800.816.7809
Fax: [phone]
Technical Services
Tel: [phone]
9
Connectors & Grounding — Blackburn
®
Grounding Systems
EZGround
™
Compression Grounding Connectors
For copper cable-to-cableground-grid connections.
Type GRD — Cable-to-Cable Connector
• Cast of high-conductivity bronze alloy
• Suitable for direct burial
A
A
C
B
B
CAT. NO.
CONDUCTOR SIZE
GROUND
ROD
INSTALLATION INFORMATION
DIMENSIONS (IN.)
MAIN TAP
MAX. MIN.
MAX.
(MM
2
)
MIN.
(MM
2
) MAX. MIN.
MAX.
(MM
2
)
MIN.
(MM
2
)
HYD.
TOOL DIE
NO.
CRIMPS A B C
GRD2 1 2 42.4 33.6 1 2 42.4 33.6 — TBM14M B09CH 1 2
1
⁄2
11
⁄16
11
⁄16
GRD20 2/0 1/0 67.4 53 2/0 1/0 67.4 53 — TBM14M B10CH 1 3
13
⁄16
7
⁄8
GRD420 250 kcmil 4/0 126.6 107 2/0 1/0 67.4 53
5
⁄8 TBM14M B12CH 2 3
5
⁄8
11
⁄16
13
⁄16
GRD40 250 kcmil 4/0 126.6 107 250 kcmil 4/0 126.6 107
5
⁄8 TBM14M B12CH 2 3
5
⁄8
11
⁄16
13
⁄16
DB
1211_1836_TNB_TNB_Power Connection & Control Cat31_r7.indd 9 2/24/14 3:26 PM