Operating Guide

United States
Tel: [phone]
800.816.7809
Fax: [phone]
Technical Services
Tel: [phone]
www.tnb.comwww.tnb.com
United States
Tel: [phone]
800.816.7809
Fax: [phone]
Technical Services
Tel: [phone]
22
Connectors & Grounding — Blackburn
®
Grounding Systems
Raised Floor Grounding Systems and Ground Rod Accessories
CAT. NO. DESCRIPTION
WT./100
STANDARD
PACKAGELB. KG
51628 Pregalvanized Steel 1180 536.3 5
51629 Hot-Dip Galvanized 1200 545.4 5
14-gauge steel. 10" diameter, 12" depth.
Ground Electrode Boxes
Streamlined design reduces driving friction.
Type C — Sectional Ground Rod Couplings
• Threaded couplings of high-strength, corrosion-resistant alloy
• Tapped for use on all standard threaded sectional rods
Use with all standard threaded couplings.
Type DS — Driving Studs
• Made of high-strength steel
• Compatible with all standard threaded couplings
CAT. NO. SIZE (NOMINAL DIAMETER) THREAD SIZE
50DS
1
⁄2"
1
⁄2"–13 UNS
50LDS*
†
1
⁄2" L
9
⁄16"–12 UNS
60DS*
‡
5
⁄8"
5
⁄8"–11 UNS
70DS*
3
⁄4"
3
⁄4"–10 UNS
80DS* 1" 1"–8 UNS
* UL
®
Listed 467 (425H).
†
CSA lists rods
1
⁄2" and larger, 10' and longer.
‡
REA Accepted.
CAT. NO. SIZE (NOMINAL DIAMETER) THREAD SIZE
50C
1
⁄2"
1
⁄2"–13 UNS
50LC*
†
1
⁄2" L
9
⁄16"–12 UNS
60C*
‡
5
⁄8"
5
⁄8"–11 UNS
70C*
3
⁄4"
3
⁄4"–10 UNS
80C* 1" 1"–8 UNS
* UL
®
Listed 467 (425H).
†
CSA lists rods
1
⁄2" and larger, 10' and longer.
‡
RUS Accepted.
1211_1836_TNB_TNB_Power Connection & Control Cat31_r7.indd 22 2/24/14 3:27 PM